Netlify deployment fails with message: failed during stage 'building site': Build script returned non-zero exit code: 127

[perry]

hey there, sorry to hear you are having trouble.

So the issue is most likely this one:

Executing user command: ng build --prod

it’ll error like this if the angular package isn’t installed correctly or this command isn’t listed in your package.json or there is a mismatch between that and your build settings. Your app literally doesn’t know what ng is for some reason.

If I were you i’d start troubleshooting here.

also more info here:

[Support Guide] Debugging Netlify site builds

Last reviewed by Netlify Support - August, 2023 Note: This article is only about builds within Netlify’s Continuous Integration (CI) environment, as triggered from git commits or from incoming build webhooks. You can learn more in depth about how Netlify builds your site in this article about how our build bots build sites. Some background There are a fair number of reasons that a build could fail in Netlify’s CI environment, even if building works locally. Testing locally is always the place …

if you can’t fix it, please post a screenshot of your build settings and also show us your package.json please.