Validate.php uses the script dynamic_check_requirements.py to validate the php requirements.
dynamic_check_requirements.py attempts to import module pkg_resources from setuptools, however pkg_resources is deprecated in setuptools, and as of 82.0.0 it has been completely removed from setuptools. The result is that all attempts to validate the python environment for librenms fail.
There is a discussion here: [BUG] Restore `pkg_resources` · Issue #5174 · pypa/setuptools · GitHub