ORA-28396: rekey of enc$ dictionary table

admin

ORA-28396: rekey of enc$ dictionary table failed
Cause: One or more masterkeys required for the rekey operation could not be
found in the wallet. Either incorrect master key identifiers were inserted intothe
enc$ dictionary table or the wallet containing the referenced master keys were
improperly modified or deleted.
Action: Restore the mostrecent copy of the wallet and try again.