NZE-28792: PL/SQL operation failure
What triggered the Error:
A PL/SQL operation attempted by the Oracle Security Server failed.What should we do to fix it:
This is an internal error. Enable Oracle Net tracing and try the operation again. Contact Oracle customer support for assistance.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board