Repro:

1. Install ProBuilder package (Window -> Package Manager)

Expected: No issues.

Actual: Warnings in the console appear.
{code:java}
The GUID inside 'Packages/com.unity.probuilder/Editor/EditorCore/CutTool.cs.meta' cannot be extracted by the YAML Parser. Attempting to extract it via string matching instead. Please verify the file does not contain unexpected data.{code}
Same for EditorToolsContexts.cs.meta and MenuToolToggle.cs.meta.

Reproducible in 2023.2.0b2
Not reproducible in 2022.3.3f1

Using ProBuilder 5.1.0

Did not regression test further than mentioned versions - please contact ticket reporter if you require further testing.