Debugger breaks on first line even though its deactivated and shows local-bootstrap.php?

What version of PHPStorm do you have? It’s not my main editor, so I’m not as familiar with the nuances of it, but when I was doing some QA with PHPStorm, I had the easiest time with the 2020.2.4 version. Here’s that topic in case some of the troubleshooting things help you in zeroing in on the issue: