I am having a firebase deploying error on netlify

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1

When I run my app in localhost it works but when I deploy it on netlify it gives me an error.
I am using firebase gatsby plugin for google sign in authentication.
The error is:
@firebase/app:
12:19:15 AM: Warning: This is a browser-targeted Firebase bundle but it appears it is being
12:19:15 AM: run in a Node environment. If running in a Node environment, make sure you
12:19:15 AM: are using the bundle specified by the “main” field in package.json.
12:19:15 AM: If you are using Webpack, you can specify “main” as the first item in
12:19:15 AM: “resolve.mainFields”:
12:19:15 AM: Resolve | webpack
12:19:15 AM: If using Rollup, use the @rollup/plugin-node-resolve plugin and specify “main”
12:19:15 AM: as the first item in “mainFields”, e.g. [‘main’, ‘module’].
12:19:15 AM: https://github.com/rollup/@rollup/plugin-node-resolve
12:19:15 AM: failed Building static HTML for pages - 0.624s
12:19:15 AM: error Building static HTML failed
12:19:15 AM:
12:19:15 AM:
12:19:15 AM: TypeError: Cannot read property ‘split’ of null

2

Have you tried what the warning has said?