Before you start, you need to install the “RbxAnimations” Credit to Den_S/@DennisRBLX, first you start Blender, go to “Edit” and go to preferences, now you go to Add-ons and install, select the ...

bug, idk how to put label I think this bug might be related to 4.0.0. After the update my add-on was gone so i had to reinstall it this error showed up. Python ...