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Command failed with exit code 1: gatsby build

My problem is that I can’t deploy Gatsby Website to Netlify, even though "gatsby build” works in local and no errors in terminal. 

The Deploy log is below. 
After this errors showed, I cleared cache and deploy again, but this errors gives again.
10:28:30 AM: Build ready to start
10:28:32 AM: build-image version: 09c2cdcdf242cf2f57c9ee0fcad9d298fad9ad41
10:28:32 AM: build-image tag: v3.5.0
10:28:32 AM: buildbot version: 172aa31cb336bae73f9eb30159b9f95fe46f2e63
10:28:32 AM: Fetching cached dependencies
10:28:32 AM: Starting to download cache of 161.5MB
10:28:34 AM: Finished downloading cache in 1.735479373s
10:28:34 AM: Starting to extract cache
10:28:39 AM: Finished extracting cache in 5.56001848s
10:28:39 AM: Finished fetching cache in 7.332809157s
10:28:39 AM: Starting to prepare the repo for build
10:28:40 AM: Preparing Git Reference refs/heads/master
10:28:41 AM: Different publish path detected, going to use the one specified in the Netlify configuration file: 'public' versus 'public/' in the Netlify UI
10:28:41 AM: Starting build script
10:28:42 AM: Installing dependencies
10:28:42 AM: Python version set to 2.7
10:28:42 AM: Started restoring cached node version
10:28:44 AM: Finished restoring cached node version
10:28:45 AM: v12.18.0 is already installed.
10:28:46 AM: Now using node v12.18.0 (npm v6.14.4)
10:28:46 AM: Started restoring cached build plugins
10:28:46 AM: Finished restoring cached build plugins
10:28:46 AM: Attempting ruby version 2.7.1, read from environment
10:28:47 AM: Using ruby version 2.7.1
10:28:47 AM: Using PHP version 5.6
10:28:47 AM: Started restoring cached node modules
10:28:47 AM: Finished restoring cached node modules
10:28:47 AM: Installing NPM modules using NPM version 6.14.4
10:29:00 AM: > @fortawesome/fontawesome-common-types@0.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-common-types
10:29:00 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 0.2.32 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/fontawesome-svg-core@1.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-svg-core
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 1.2.32 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/free-brands-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-brands-svg-icons
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/free-solid-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-solid-svg-icons
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:03 AM: npm WARN ts-node@9.0.0 requires a peer of typescript@>=2.7 but none is installed. You must install peer dependencies yourself.
10:29:03 AM: npm WARN tsutils@3.17.1 requires a peer of typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta but none is installed. You must install peer dependencies yourself.
10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules/chokidar/node_modules/fsevents):
10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules/fsevents):
10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
10:29:03 AM: added 4 packages from 6 contributors and audited 2222 packages in 14.36s
10:29:04 AM: 148 packages are looking for funding
10:29:04 AM: run `npm fund` for details
10:29:04 AM: found 0 vulnerabilities
10:29:04 AM: NPM modules installed
10:29:04 AM: Started restoring cached go cache
10:29:04 AM: Finished restoring cached go cache
10:29:04 AM: go version go1.14.4 linux/amd64
10:29:04 AM: go version go1.14.4 linux/amd64
10:29:04 AM: Installing missing commands
10:29:04 AM: Verify run directory
10:29:06 AM: ​
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: Netlify Build
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: ​
10:29:06 AM: ❯ Version
10:29:06 AM: @netlify/build 5.3.2
10:29:06 AM: ​
10:29:06 AM: ❯ Flags
10:29:06 AM: deployId: 5fbb80beaf52a000070afe3b
10:29:06 AM: mode: buildbot
10:29:06 AM: ​
10:29:06 AM: ❯ Current directory
10:29:06 AM: /opt/build/repo
10:29:06 AM: ​
10:29:06 AM: ❯ Config file
10:29:06 AM: No config file was defined: using default values.
10:29:06 AM: ​
10:29:06 AM: ❯ Context
10:29:06 AM: production
10:29:06 AM: ​
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: 1. Build command from Netlify app
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: ​
10:29:06 AM: $ gatsby build
10:29:09 AM: success open and validate gatsby-configs - 0.019s
10:29:10 AM: success load plugins - 0.597s
10:29:10 AM: success onPreInit - 0.041s
10:29:10 AM: success delete html and css files from previous builds - 0.003s
10:29:10 AM: success initialize cache - 0.008s
10:29:10 AM: success copy gatsby files - 0.042s
10:29:10 AM: success onPreBootstrap - 0.021s
10:29:10 AM: success createSchemaCustomization - 0.005s
10:29:10 AM: success Checking for changed pages - 0.000s
10:29:10 AM: success source and transform nodes - 0.142s
10:29:10 AM: success building schema - 0.347s
10:29:10 AM: info Total nodes: 44, SitePage nodes: 1 (use --verbose for breakdown)
10:29:10 AM: success createPages - 0.001s
10:29:10 AM: success Checking for changed pages - 0.000s
10:29:11 AM: success createPagesStatefully - 0.073s
10:29:11 AM: success update schema - 0.038s
10:29:11 AM: success onPreExtractQueries - 0.000s
10:29:11 AM: success extract queries from components - 0.552s
10:29:11 AM: success write out redirect data - 0.001s
10:29:11 AM: success onPostBootstrap - 0.000s
10:29:11 AM: info bootstrap finished - 5.090s
10:29:12 AM: success run static queries - 0.904s - 1/1 1.11/s
10:29:13 AM: success run page queries - 1.175s - 2/2 1.70/s
10:29:13 AM: success write out requires - 0.013s
10:29:29 AM: failed Building production JavaScript and CSS bundles - 15.897s
10:29:29 AM: error Generating JavaScript bundles failed
10:29:29 AM: Can't resolve '@fortawesome/react-fontawesome' in '/opt/build/repo/src/pages'
10:29:29 AM: If you're trying to use a package make sure that '@fortawesome/react-fontawesome' is installed. If you're trying to use a local file make sure that the path is correct.
10:29:29 AM: not finished Generating image thumbnails - 17.978s
10:29:29 AM: ​
10:29:29 AM: ────────────────────────────────────────────────────────────────
10:29:29 AM: "build.command" failed
10:29:29 AM: ────────────────────────────────────────────────────────────────
10:29:29 AM: ​
10:29:29 AM: Error message
10:29:29 AM: Command failed with exit code 1: gatsby build
10:29:29 AM: ​
10:29:29 AM: Error location
10:29:29 AM: In Build command from Netlify app:
10:29:29 AM: gatsby build
10:29:29 AM: ​
10:29:29 AM: Resolved config
10:29:29 AM: build:
10:29:29 AM: command: gatsby build
10:29:29 AM: commandOrigin: ui
10:29:29 AM: publish: /opt/build/repo/public
10:29:29 AM: Caching artifacts
10:29:29 AM: Started saving node modules
10:29:29 AM: Finished saving node modules
10:29:29 AM: Started saving build plugins
10:29:29 AM: Finished saving build plugins
10:29:29 AM: Started saving pip cache
10:29:30 AM: Finished saving pip cache
10:29:30 AM: Started saving emacs cask dependencies
10:29:30 AM: Finished saving emacs cask dependencies
10:29:30 AM: Started saving maven dependencies
10:29:30 AM: Finished saving maven dependencies
10:29:30 AM: Started saving boot dependencies
10:29:30 AM: Finished saving boot dependencies
10:29:30 AM: Started saving go dependencies
10:29:30 AM: Finished saving go dependencies
10:29:30 AM: Build failed due to a user error: Build script returned non-zero exit code: 2
10:29:30 AM: Failing build: Failed to build site
10:29:30 AM: Failed during stage 'building site': Build script returned non-zero exit code: 2
10:29:30 AM: Finished processing build request in 57.885134762s
10:28:30 AM: Build ready to start
10:28:32 AM: build-image version: 09c2cdcdf242cf2f57c9ee0fcad9d298fad9ad41
10:28:32 AM: build-image tag: v3.5.0
10:28:32 AM: buildbot version: 172aa31cb336bae73f9eb30159b9f95fe46f2e63
10:28:32 AM: Fetching cached dependencies
10:28:32 AM: Starting to download cache of 161.5MB
10:28:34 AM: Finished downloading cache in 1.735479373s
10:28:34 AM: Starting to extract cache
10:28:39 AM: Finished extracting cache in 5.56001848s
10:28:39 AM: Finished fetching cache in 7.332809157s
10:28:39 AM: Starting to prepare the repo for build
10:28:40 AM: Preparing Git Reference refs/heads/master
10:28:41 AM: Different publish path detected, going to use the one specified in the Netlify configuration file: 'public' versus 'public/' in the Netlify UI
10:28:41 AM: Starting build script
10:28:42 AM: Installing dependencies
10:28:42 AM: Python version set to 2.7
10:28:42 AM: Started restoring cached node version
10:28:44 AM: Finished restoring cached node version
10:28:45 AM: v12.18.0 is already installed.
10:28:46 AM: Now using node v12.18.0 (npm v6.14.4)
10:28:46 AM: Started restoring cached build plugins
10:28:46 AM: Finished restoring cached build plugins
10:28:46 AM: Attempting ruby version 2.7.1, read from environment
10:28:47 AM: Using ruby version 2.7.1
10:28:47 AM: Using PHP version 5.6
10:28:47 AM: Started restoring cached node modules
10:28:47 AM: Finished restoring cached node modules
10:28:47 AM: Installing NPM modules using NPM version 6.14.4
10:29:00 AM: > @fortawesome/fontawesome-common-types@0.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-common-types
10:29:00 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 0.2.32 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/fontawesome-svg-core@1.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-svg-core
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 1.2.32 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/free-brands-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-brands-svg-icons
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/free-solid-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-solid-svg-icons
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:03 AM: npm WARN ts-node@9.0.0 requires a peer of typescript@>=2.7 but none is installed. You must install peer dependencies yourself.
10:29:03 AM: npm WARN tsutils@3.17.1 requires a peer of typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta but none is installed. You must install peer dependencies yourself.
10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules/chokidar/node_modules/fsevents):
10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules/fsevents):
10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
10:29:03 AM: added 4 packages from 6 contributors and audited 2222 packages in 14.36s
10:29:04 AM: 148 packages are looking for funding
10:29:04 AM:   run `npm fund` for details
10:29:04 AM: found 0 vulnerabilities
10:29:04 AM: NPM modules installed
10:29:04 AM: Started restoring cached go cache
10:29:04 AM: Finished restoring cached go cache
10:29:04 AM: go version go1.14.4 linux/amd64
10:29:04 AM: go version go1.14.4 linux/amd64
10:29:04 AM: Installing missing commands
10:29:04 AM: Verify run directory
10:29:06 AM: ​
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM:   Netlify Build                                                 
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: ​
10:29:06 AM: ❯ Version
10:29:06 AM:   @netlify/build 5.3.2
10:29:06 AM: ​
10:29:06 AM: ❯ Flags
10:29:06 AM:   deployId: 5fbb80beaf52a000070afe3b
10:29:06 AM:   mode: buildbot
10:29:06 AM: ​
10:29:06 AM: ❯ Current directory
10:29:06 AM:   /opt/build/repo
10:29:06 AM: ​
10:29:06 AM: ❯ Config file
10:29:06 AM:   No config file was defined: using default values.
10:29:06 AM: ​
10:29:06 AM: ❯ Context
10:29:06 AM:   production
10:29:06 AM: ​
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM:   1. Build command from Netlify app                             
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: ​
10:29:06 AM: $ gatsby build
10:29:09 AM: success open and validate gatsby-configs - 0.019s
10:29:10 AM: success load plugins - 0.597s
10:29:10 AM: success onPreInit - 0.041s
10:29:10 AM: success delete html and css files from previous builds - 0.003s
10:29:10 AM: success initialize cache - 0.008s
10:29:10 AM: success copy gatsby files - 0.042s
10:29:10 AM: success onPreBootstrap - 0.021s
10:29:10 AM: success createSchemaCustomization - 0.005s
10:29:10 AM: success Checking for changed pages - 0.000s
10:29:10 AM: success source and transform nodes - 0.142s
10:29:10 AM: success building schema - 0.347s
10:29:10 AM: info Total nodes: 44, SitePage nodes: 1 (use --verbose for breakdown)
10:29:10 AM: success createPages - 0.001s
10:29:10 AM: success Checking for changed pages - 0.000s
10:29:11 AM: success createPagesStatefully - 0.073s
10:29:11 AM: success update schema - 0.038s
10:29:11 AM: success onPreExtractQueries - 0.000s
10:29:11 AM: success extract queries from components - 0.552s
10:29:11 AM: success write out redirect data - 0.001s
10:29:11 AM: success onPostBootstrap - 0.000s
10:29:11 AM: info bootstrap finished - 5.090s
10:29:12 AM: success run static queries - 0.904s - 1/1 1.11/s
10:29:13 AM: success run page queries - 1.175s - 2/2 1.70/s
10:29:13 AM: success write out requires - 0.013s
10:29:29 AM: failed Building production JavaScript and CSS bundles - 15.897s
10:29:29 AM: error Generating JavaScript bundles failed
10:29:29 AM: Can't resolve '@fortawesome/react-fontawesome' in '/opt/build/repo/src/pages'
10:29:29 AM: If you're trying to use a package make sure that '@fortawesome/react-fontawesome' is installed. If you're trying to use a local file make sure that the path is correct.
10:29:29 AM: not finished Generating image thumbnails - 17.978s
10:29:29 AM: ​
10:29:29 AM: ────────────────────────────────────────────────────────────────
10:29:29 AM:   "build.command" failed                                        
10:29:29 AM: ────────────────────────────────────────────────────────────────
10:29:29 AM: ​
10:29:29 AM:   Error message
10:29:29 AM:   Command failed with exit code 1: gatsby build
10:29:29 AM: ​
10:29:29 AM:   Error location
10:29:29 AM:   In Build command from Netlify app:
10:29:29 AM:   gatsby build
10:29:29 AM: ​
10:29:29 AM:   Resolved config
10:29:29 AM:   build:
10:29:29 AM:     command: gatsby build
10:29:29 AM:     commandOrigin: ui
10:29:29 AM:     publish: /opt/build/repo/public
10:29:29 AM: Caching artifacts
10:29:29 AM: Started saving node modules
10:29:29 AM: Finished saving node modules
10:29:29 AM: Started saving build plugins
10:29:29 AM: Finished saving build plugins
10:29:29 AM: Started saving pip cache
10:29:30 AM: Finished saving pip cache
10:29:30 AM: Started saving emacs cask dependencies
10:29:30 AM: Finished saving emacs cask dependencies
10:29:30 AM: Started saving maven dependencies
10:29:30 AM: Finished saving maven dependencies
10:29:30 AM: Started saving boot dependencies
10:29:30 AM: Finished saving boot dependencies
10:29:30 AM: Started saving go dependencies
10:29:30 AM: Finished saving go dependencies
10:29:30 AM: Build failed due to a user error: Build script returned non-zero exit code: 2
10:29:30 AM: Failing build: Failed to build site
10:29:30 AM: Failed during stage 'building site': Build script returned non-zero exit code: 2
10:29:30 AM: Finished processing build request in 57.885134762s
10:28:30 AM: Build ready to start
10:28:32 AM: build-image version: 09c2cdcdf242cf2f57c9ee0fcad9d298fad9ad41
10:28:32 AM: build-image tag: v3.5.0
10:28:32 AM: buildbot version: 172aa31cb336bae73f9eb30159b9f95fe46f2e63
10:28:32 AM: Fetching cached dependencies
10:28:32 AM: Starting to download cache of 161.5MB
10:28:34 AM: Finished downloading cache in 1.735479373s
10:28:34 AM: Starting to extract cache
10:28:39 AM: Finished extracting cache in 5.56001848s
10:28:39 AM: Finished fetching cache in 7.332809157s
10:28:39 AM: Starting to prepare the repo for build
10:28:40 AM: Preparing Git Reference refs/heads/master
10:28:41 AM: Different publish path detected, going to use the one specified in the Netlify configuration file: 'public' versus 'public/' in the Netlify UI
10:28:41 AM: Starting build script
10:28:42 AM: Installing dependencies
10:28:42 AM: Python version set to 2.7
10:28:42 AM: Started restoring cached node version
10:28:44 AM: Finished restoring cached node version
10:28:45 AM: v12.18.0 is already installed.
10:28:46 AM: Now using node v12.18.0 (npm v6.14.4)
10:28:46 AM: Started restoring cached build plugins
10:28:46 AM: Finished restoring cached build plugins
10:28:46 AM: Attempting ruby version 2.7.1, read from environment
10:28:47 AM: Using ruby version 2.7.1
10:28:47 AM: Using PHP version 5.6
10:28:47 AM: Started restoring cached node modules
10:28:47 AM: Finished restoring cached node modules
10:28:47 AM: Installing NPM modules using NPM version 6.14.4
10:29:00 AM: > @fortawesome/fontawesome-common-types@0.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-common-types
10:29:00 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 0.2.32 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/fontawesome-svg-core@1.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-svg-core
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 1.2.32 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/free-brands-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-brands-svg-icons
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:01 AM: > @fortawesome/free-solid-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-solid-svg-icons
10:29:01 AM: > node attribution.js
10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
10:29:03 AM: npm WARN ts-node@9.0.0 requires a peer of typescript@>=2.7 but none is installed. You must install peer dependencies yourself.
10:29:03 AM: npm WARN tsutils@3.17.1 requires a peer of typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta but none is installed. You must install peer dependencies yourself.
10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules/chokidar/node_modules/fsevents):
10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules/fsevents):
10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
10:29:03 AM: added 4 packages from 6 contributors and audited 2222 packages in 14.36s
10:29:04 AM: 148 packages are looking for funding
10:29:04 AM:   run `npm fund` for details
10:29:04 AM: found 0 vulnerabilities
10:29:04 AM: NPM modules installed
10:29:04 AM: Started restoring cached go cache
10:29:04 AM: Finished restoring cached go cache
10:29:04 AM: go version go1.14.4 linux/amd64
10:29:04 AM: go version go1.14.4 linux/amd64
10:29:04 AM: Installing missing commands
10:29:04 AM: Verify run directory
10:29:06 AM: ​
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM:   Netlify Build                                                 
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: ​
10:29:06 AM: ❯ Version
10:29:06 AM:   @netlify/build 5.3.2
10:29:06 AM: ​
10:29:06 AM: ❯ Flags
10:29:06 AM:   deployId: 5fbb80beaf52a000070afe3b
10:29:06 AM:   mode: buildbot
10:29:06 AM: ​
10:29:06 AM: ❯ Current directory
10:29:06 AM:   /opt/build/repo
10:29:06 AM: ​
10:29:06 AM: ❯ Config file
10:29:06 AM:   No config file was defined: using default values.
10:29:06 AM: ​
10:29:06 AM: ❯ Context
10:29:06 AM:   production
10:29:06 AM: ​
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM:   1. Build command from Netlify app                             
10:29:06 AM: ────────────────────────────────────────────────────────────────
10:29:06 AM: ​
10:29:06 AM: $ gatsby build
10:29:09 AM: success open and validate gatsby-configs - 0.019s
10:29:10 AM: success load plugins - 0.597s
10:29:10 AM: success onPreInit - 0.041s
10:29:10 AM: success delete html and css files from previous builds - 0.003s
10:29:10 AM: success initialize cache - 0.008s
10:29:10 AM: success copy gatsby files - 0.042s
10:29:10 AM: success onPreBootstrap - 0.021s
10:29:10 AM: success createSchemaCustomization - 0.005s
10:29:10 AM: success Checking for changed pages - 0.000s
10:29:10 AM: success source and transform nodes - 0.142s
10:29:10 AM: success building schema - 0.347s
10:29:10 AM: info Total nodes: 44, SitePage nodes: 1 (use --verbose for breakdown)
10:29:10 AM: success createPages - 0.001s
10:29:10 AM: success Checking for changed pages - 0.000s
10:29:11 AM: success createPagesStatefully - 0.073s
10:29:11 AM: success update schema - 0.038s
10:29:11 AM: success onPreExtractQueries - 0.000s
10:29:11 AM: success extract queries from components - 0.552s
10:29:11 AM: success write out redirect data - 0.001s
10:29:11 AM: success onPostBootstrap - 0.000s
10:29:11 AM: info bootstrap finished - 5.090s
10:29:12 AM: success run static queries - 0.904s - 1/1 1.11/s
10:29:13 AM: success run page queries - 1.175s - 2/2 1.70/s
10:29:13 AM: success write out requires - 0.013s
10:29:29 AM: failed Building production JavaScript and CSS bundles - 15.897s
10:29:29 AM: error Generating JavaScript bundles failed
10:29:29 AM: Can't resolve '@fortawesome/react-fontawesome' in '/opt/build/repo/src/pages'
10:29:29 AM: If you're trying to use a package make sure that '@fortawesome/react-fontawesome' is installed. If you're trying to use a local file make sure that the path is correct.
10:29:29 AM: not finished Generating image thumbnails - 17.978s
10:29:29 AM: ​
10:29:29 AM:

there is reply which continued errors shows

────────────────────────────────────────────────────────────────
    10:29:29 AM:   "build.command" failed                                        
    10:29:29 AM: ────────────────────────────────────────────────────────────────
    10:29:29 AM: ​
    10:29:29 AM:   Error message
    10:29:29 AM:   Command failed with exit code 1: gatsby build
    10:29:29 AM: ​
    10:29:29 AM:   Error location
    10:29:29 AM:   In Build command from Netlify app:
    10:29:29 AM:   gatsby build
    10:29:29 AM: ​
    10:29:29 AM:   Resolved config
    10:29:29 AM:   build:
    10:29:29 AM:     command: gatsby build
    10:29:29 AM:     commandOrigin: ui
    10:29:29 AM:     publish: /opt/build/repo/public
    10:29:29 AM: Caching artifacts
    10:29:29 AM: Started saving node modules
    10:29:29 AM: Finished saving node modules
    10:29:29 AM: Started saving build plugins
    10:29:29 AM: Finished saving build plugins
    10:29:29 AM: Started saving pip cache
    10:29:30 AM: Finished saving pip cache
    10:29:30 AM: Started saving emacs cask dependencies
    10:29:30 AM: Finished saving emacs cask dependencies
    10:29:30 AM: Started saving maven dependencies
    10:29:30 AM: Finished saving maven dependencies
    10:29:30 AM: Started saving boot dependencies
    10:29:30 AM: Finished saving boot dependencies
    10:29:30 AM: Started saving go dependencies
    10:29:30 AM: Finished saving go dependencies
    10:29:30 AM: Build failed due to a user error: Build script returned non-zero exit code: 2
    10:29:30 AM: Failing build: Failed to build site
    10:29:30 AM: Failed during stage 'building site': Build script returned non-zero exit code: 2
    10:29:30 AM: Finished processing build request in 57.885134762s
    10:28:30 AM: Build ready to start
    10:28:32 AM: build-image version: 09c2cdcdf242cf2f57c9ee0fcad9d298fad9ad41
    10:28:32 AM: build-image tag: v3.5.0
    10:28:32 AM: buildbot version: 172aa31cb336bae73f9eb30159b9f95fe46f2e63
    10:28:32 AM: Fetching cached dependencies
    10:28:32 AM: Starting to download cache of 161.5MB
    10:28:34 AM: Finished downloading cache in 1.735479373s
    10:28:34 AM: Starting to extract cache
    10:28:39 AM: Finished extracting cache in 5.56001848s
    10:28:39 AM: Finished fetching cache in 7.332809157s
    10:28:39 AM: Starting to prepare the repo for build
    10:28:40 AM: Preparing Git Reference refs/heads/master
    10:28:41 AM: Different publish path detected, going to use the one specified in the Netlify configuration file: 'public' versus 'public/' in the Netlify UI
    10:28:41 AM: Starting build script
    10:28:42 AM: Installing dependencies
    10:28:42 AM: Python version set to 2.7
    10:28:42 AM: Started restoring cached node version
    10:28:44 AM: Finished restoring cached node version
    10:28:45 AM: v12.18.0 is already installed.
    10:28:46 AM: Now using node v12.18.0 (npm v6.14.4)
    10:28:46 AM: Started restoring cached build plugins
    10:28:46 AM: Finished restoring cached build plugins
    10:28:46 AM: Attempting ruby version 2.7.1, read from environment
    10:28:47 AM: Using ruby version 2.7.1
    10:28:47 AM: Using PHP version 5.6
    10:28:47 AM: Started restoring cached node modules
    10:28:47 AM: Finished restoring cached node modules
    10:28:47 AM: Installing NPM modules using NPM version 6.14.4
    10:29:00 AM: > @fortawesome/fontawesome-common-types@0.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-common-types
    10:29:00 AM: > node attribution.js
    10:29:01 AM: Font Awesome Free 0.2.32 by @fontawesome - https://fontawesome.com
    10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
    10:29:01 AM: > @fortawesome/fontawesome-svg-core@1.2.32 postinstall /opt/build/repo/node_modules/@fortawesome/fontawesome-svg-core
    10:29:01 AM: > node attribution.js
    10:29:01 AM: Font Awesome Free 1.2.32 by @fontawesome - https://fontawesome.com
    10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
    10:29:01 AM: > @fortawesome/free-brands-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-brands-svg-icons
    10:29:01 AM: > node attribution.js
    10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
    10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
    10:29:01 AM: > @fortawesome/free-solid-svg-icons@5.15.1 postinstall /opt/build/repo/node_modules/@fortawesome/free-solid-svg-icons
    10:29:01 AM: > node attribution.js
    10:29:01 AM: Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
    10:29:01 AM: License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
    10:29:03 AM: npm WARN ts-node@9.0.0 requires a peer of typescript@>=2.7 but none is installed. You must install peer dependencies yourself.
    10:29:03 AM: npm WARN tsutils@3.17.1 requires a peer of typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta but none is installed. You must install peer dependencies yourself.
    10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules/chokidar/node_modules/fsevents):
    10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
    10:29:03 AM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules/fsevents):
    10:29:03 AM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
    10:29:03 AM: added 4 packages from 6 contributors and audited 2222 packages in 14.36s
    10:29:04 AM: 148 packages are looking for funding
    10:29:04 AM:   run `npm fund` for details
    10:29:04 AM: found 0 vulnerabilities
    10:29:04 AM: NPM modules installed
    10:29:04 AM: Started restoring cached go cache
    10:29:04 AM: Finished restoring cached go cache
    10:29:04 AM: go version go1.14.4 linux/amd64
    10:29:04 AM: go version go1.14.4 linux/amd64
    10:29:04 AM: Installing missing commands
    10:29:04 AM: Verify run directory
    10:29:06 AM: ​
    10:29:06 AM: ────────────────────────────────────────────────────────────────
    10:29:06 AM:   Netlify Build                                                 
    10:29:06 AM: ────────────────────────────────────────────────────────────────
    10:29:06 AM: ​
    10:29:06 AM: ❯ Version
    10:29:06 AM:   @netlify/build 5.3.2
    10:29:06 AM: ​
    10:29:06 AM: ❯ Flags
    10:29:06 AM:   deployId: 5fbb80beaf52a000070afe3b
    10:29:06 AM:   mode: buildbot
    10:29:06 AM: ​
    10:29:06 AM: ❯ Current directory
    10:29:06 AM:   /opt/build/repo
    10:29:06 AM: ​
    10:29:06 AM: ❯ Config file
    10:29:06 AM:   No config file was defined: using default values.
    10:29:06 AM: ​
    10:29:06 AM: ❯ Context
    10:29:06 AM:   production
    10:29:06 AM: ​
    10:29:06 AM: ────────────────────────────────────────────────────────────────
    10:29:06 AM:   1. Build command from Netlify app                             
    10:29:06 AM: ────────────────────────────────────────────────────────────────
    10:29:06 AM: ​
    10:29:06 AM: $ gatsby build
    10:29:09 AM: success open and validate gatsby-configs - 0.019s
    10:29:10 AM: success load plugins - 0.597s
    10:29:10 AM: success onPreInit - 0.041s
    10:29:10 AM: success delete html and css files from previous builds - 0.003s
    10:29:10 AM: success initialize cache - 0.008s
    10:29:10 AM: success copy gatsby files - 0.042s
    10:29:10 AM: success onPreBootstrap - 0.021s
    10:29:10 AM: success createSchemaCustomization - 0.005s
    10:29:10 AM: success Checking for changed pages - 0.000s
    10:29:10 AM: success source and transform nodes - 0.142s
    10:29:10 AM: success building schema - 0.347s
    10:29:10 AM: info Total nodes: 44, SitePage nodes: 1 (use --verbose for breakdown)
    10:29:10 AM: success createPages - 0.001s
    10:29:10 AM: success Checking for changed pages - 0.000s
    10:29:11 AM: success createPagesStatefully - 0.073s
    10:29:11 AM: success update schema - 0.038s
    10:29:11 AM: success onPreExtractQueries - 0.000s
    10:29:11 AM: success extract queries from components - 0.552s
    10:29:11 AM: success write out redirect data - 0.001s
    10:29:11 AM: success onPostBootstrap - 0.000s
    10:29:11 AM: info bootstrap finished - 5.090s
    10:29:12 AM: success run static queries - 0.904s - 1/1 1.11/s
    10:29:13 AM: success run page queries - 1.175s - 2/2 1.70/s
    10:29:13 AM: success write out requires - 0.013s
    10:29:29 AM: failed Building production JavaScript and CSS bundles - 15.897s
    10:29:29 AM: error Generating JavaScript bundles failed
    10:29:29 AM: Can't resolve '@fortawesome/react-fontawesome' in '/opt/build/repo/src/pages'
    10:29:29 AM: If you're trying to use a package make sure that '@fortawesome/react-fontawesome' is installed. If you're trying to use a local file make sure that the path is correct.
    10:29:29 AM: not finished Generating image thumbnails - 17.978s
    10:29:29 AM: ​
    10:29:29 AM: ────────────────────────────────────────────────────────────────
    10:29:29 AM:   "build.command" failed                                        
    10:29:29 AM: ────────────────────────────────────────────────────────────────
    10:29:29 AM: ​
    10:29:29 AM:   Error message
    10:29:29 AM:   Command failed with exit code 1: gatsby build
    10:29:29 AM: ​
    10:29:29 AM:   Error location
    10:29:29 AM:   In Build command from Netlify app:
    10:29:29 AM:   gatsby build
    10:29:29 AM: ​
    10:29:29 AM:   Resolved config
    10:29:29 AM:   build:
    10:29:29 AM:     command: gatsby build
    10:29:29 AM:     commandOrigin: ui
    10:29:29 AM:     publish: /opt/build/repo/public
    10:29:29 AM: Caching artifacts
    10:29:29 AM: Started saving node modules
    10:29:29 AM: Finished saving node modules
    10:29:29 AM: Started saving build plugins
    10:29:29 AM: Finished saving build plugins
    10:29:29 AM: Started saving pip cache
    10:29:30 AM: Finished saving pip cache
    10:29:30 AM: Started saving emacs cask dependencies
    10:29:30 AM: Finished saving emacs cask dependencies
    10:29:30 AM: Started saving maven dependencies
    10:29:30 AM: Finished saving maven dependencies
    10:29:30 AM: Started saving boot dependencies
    10:29:30 AM: Finished saving boot dependencies
    10:29:30 AM: Started saving go dependencies
    10:29:30 AM: Finished saving go dependencies
    10:29:30 AM: Build failed due to a user error: Build script returned non-zero exit code: 2
    10:29:30 AM: Failing build: Failed to build site
    10:29:30 AM: Failed during stage 'building site': Build script returned non-zero exit code: 2
    10:29:30 AM: Finished processing build request in 57.885134762s "

package.json is also below.

 {

"name": "gatsby-starter-hello-world",

"private": true,

"description": "A simplified bare-bones starter for Gatsby",

"version": "0.1.0",

"license": "0BSD",

"scripts": {

"build": "gatsby build",

"develop": "gatsby develop",

"format": "prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\"",

"start": "npm run develop",

"serve": "gatsby serve",

"clean": "gatsby clean",

"test": "echo \"Write tests! -> https://gatsby.dev/unit-testing\" && exit 1"

},

"dependencies": {

"@fortawesome/fontawesome-svg-core": "^1.2.32",

"@fortawesome/free-brands-svg-icons": "^5.15.1",

"@fortawesome/free-solid-svg-icons": "^5.15.1",

"gatsby": "^2.26.1",

"gatsby-image": "^2.5.0",

"gatsby-plugin-sharp": "^2.8.0",

"gatsby-source-filesystem": "^2.5.0",

"gatsby-transformer-sharp": "^2.6.0",

"react": "^16.12.0",

"react-dom": "^16.12.0"

},

"devDependencies": {

"prettier": "2.1.2"

},

"repository": {

"type": "git",

"url": "https://github.com/gatsbyjs/gatsby-starter-hello-world"

},

"bugs": {

"url": "https://github.com/gatsbyjs/gatsby/issues"

}
}

what I tried was
*I wrote “npm run build” in terminal instead of “gatsby build” (Build Error "build.command" failed exit code 127: gatsby build)

  • deleted cache and try to deploy again

Try npm i --save @fortawesome/react-fontawesome and then commit the changes to your repo.

1 Like

it worked!! Thank you so much!!! :smile:

I have a question. What was the problem in the error code ??

More than the error code, the error text was helpful:

As you can see, the problem was that the Node Module wasn’t resolved. And you had also posted your package.json which was clearly missing the dependency. So, it was easy to track.

```
10:29:29 AM: Can't resolve '@fortawesome/react-fontawesome' in '/opt/build/repo/src/pages'
10:29:29 AM: If you're trying to use a package make sure that '@fortawesome/react-fontawesome' is installed. If you're trying to use a local file make sure that the path is correct.
```

oh I see. Probably this two lines were hints to solve the problem.
Thanks again!!