Cannot change synchronization user_name when status of the last upload is unknown

Error constant SQLE_CANNOT_CHANGE_USER_NAME
ODBC 2 State 37000
ODBC 3 State 42000
Severity 16
SQLCODE –867
SQLSTATE 0AW13
Sybase error code 13871
Probable cause

The MobiLink server uses the user_name to track synchronizations. If the status of the previous upload is unknown then you must resolve this condition before changing the user.