Error with maya animation and rigging toolkit

i was using the animation and rigging tool to rig my character and when i wanted to save the scene this error appeared and this error prevent me from loading the scene as maya crashes can any one help me and tell me what is this error and how to fix it

please help me

also i cannot load any scene saved while using the toolkit

guys please help me ?

That warning you’ve highlighted is definitely not whatever is causing your issue. Warnings might cause weird issues, but wouldn’t crash your program. There isn’t enough information here to be able to help you unfortunately. Can you send your file?