Error 500 when saving location

Hello

I build my own app and am getting this error

2019-08-30 18:53:02.662242+0300 test2[1040:27224] Error when saving location: Optional(Error Domain=ESTRequestBaseErrorDomain Code=500 “Estimote Cloud failed to handle request.” UserInfo={NSLocalizedDescription=Estimote Cloud failed to handle request., NSLocalizedRecoverySuggestion=Check reason field to verify what kind of error happened.})

Can you help me plz.

Regards,
Ahad Alotaibi