Another user has updated 'APRegister' line. - this usually means that userA tries to modify the APRegister but the APRegister has an older version (because UserB changed the APRegister before) in other words, UserA is working on an old version of APRegister. Can you please stop spreading this myth. That scenario might make sense in the GUI but in the API the message just means "The backend crashed without error message".     ... View more