ORA-21702: object isnot instantiated or has been de-instantiated in cache
ORA-19999 to ORA-24279 15-5 Cause: Userattempted to perform an inappropriate operation to a transient object
that is not instantiated in the object cache. Operations that cannot be appliedto a
not-instantiated transient object include deleting or pinning such an object. Action: Usershould check their code to see if they are performing such an
operation without instantiating the object first, or performing such anoperation
after the allocation duration of the object has expired.