Deploy errors attempting to deploy Statamic SSG site

[hrishikesh]

@Michael_Mannucci

1:34:35 PM: PHP Fatal error:  Uncaught Error: Failed opening required '/opt/build/repo/vendor/autoload.php' (include_path='.:/usr/share/php') in /opt/build/repo/please:18
1:34:35 PM: Stack trace:
1:34:35 PM: #0 {main}
1:34:35 PM:   thrown in /opt/build/repo/please on line 18

As mentioned in the error, chances are that file is missing or corrupted. Maybe it’s related to:

[Support Guide] Netlify app builds locally but fails on deploy (case sensitivity)

Last updated by Netlify Support: July 2025 Are you struggling to understand why your project runs locally but errors out with missing files or logs that point toward issues with case when you try and build on Netlify? You are not alone. Often, case (as in: UPPERCASE or lowercase letters in filenames or paths) can cause problems. Here is a guide to understanding how case sensitivity issues present themselves, why they arise, and how you can fix them! 1. Errors you might see Case sensitivity iss…