Traceback (most recent call last): File "C:\Program Files\Blender Foundation\Blender 4.1\4.1\scripts\modules\addon_utils.py", line 444, in enable mod.register() File "C:\Users\soumy\AppData\Roaming\Blender Foundation\Blender\4.1\scripts\addons\cats-blender-plugin-master\__init__.py", line 319, in register bpy.context.window_manager.addon_support = {'OFFICIAL', 'COMMUNITY', 'TESTING'} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ValueError: bpy_struct: item.attr = val:: 'TESTING' not found in ('OFFICIAL', 'COMMUNITY')