An error occurred during vrm export.
The process where this error occurred was to upload vrchat, so I clicked on this and that, but I gave up
And I tried to export to a vrm file, but I failed to export with an error.
InvalidOperationException: Avatar is not valid.
UnityEngine.Animator.GetBoneTransform (UnityEngine.HumanBodyBones humanBoneId) (at <3a73310709ec47a9ba9b975402ca3561>:0)