I see you are using OneDrive. This can cause problems when building Mendix applications as it tries to backup and restore files that Studio Pro is also moving at the same time. I suggest moving the application out of OneDrive, or disabling OneDrive when building.
The other thing happening is that you have multiple versions of the same .jar files in your userlib folder. You need to remove older versions of the same .jar files, keeping only the version with highest version number.
I hope this helps. Good luck!
I'm also curious as to what causes this. A colleague ran into this issue the other week.