Cause
The USERENV('COMMITSCN') function was used more than once in the transaction, which was not allowed.
Action
Rewrite the transaction to use USERENV('COMMITSCN') only once and resubmit.
Error Message
USERENV(COMMITSCN) was invoked more than once in a transaction.
The USERENV('COMMITSCN') function was used more than once in the transaction, which was not allowed.
Rewrite the transaction to use USERENV('COMMITSCN') only once and resubmit.