Failed Building production JavaScript and CSS bundles - Build script returned non-zero exit code: 1

[fool]

Sounds like maybe a version problem? Different netlify sites created at different times have different default versions of node, npm, yarn, etc.

Have you specified all of those precisely to match your local, as described here?

Manage build dependencies

If not, would be good to have you run through this build debugging guide and let us know how local testing and any attempts at change have gone:

[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 …