Homepage › Forums › How-to and troubleshooting › Unable to authenticate › Reply To: Unable to authenticate 2018-02-26 at 20:50 #3701 MohammedParticipant 1439-06-06 17:02:26: Attempting to login user: Mohammed 1439-06-06 17:02:31: Error during authentication – message: String was not recognized as a valid DateTime.
