Bug Report: Blender Mixamo Add-on missing operator 'export_scene.gltf'

Hello,

I am using the Mixamo Add-on and getting this error in the System Console:

C:\Users\user\AppData\Roaming\Blender Foundation\Blender\3.1\scripts\addons\mixamo_rig\mixamo_rig.py:2722
rna_uiItemO: operator missing srna 'export_scene.gltf'