NZE-28820: Signature or decryption/encryption state is not provided.
What triggered the Error:
The state of either a signature or decryption/encryption was not passed to a PL/SQL function or procedure.What should we do to fix it:
This is an internal error. Contact Oracle customer support.
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