Cannot Open a Technical Case
I got this error while trying to open a technical support case. I am filling all required data with a valid support contract.
CaseOwner_AutoFollowUnFollowCase: execution of AfterInsert caused by: System.DmlException: Insert failed. First exception on row 0; first error: INVALID_CROSS_REFERENCE_KEY, This user cannot follow any other users or records:  Trigger.CaseOwner_AutoFollowUnFollowCase: line 103, column 1