The following is the ORA-21702 error message, you can learn the cause and solution of the Oracle database error.

ORA-21702 object is not instantiated or has been de-instantiated in cache

Cause: User attempted to perform an inappropriate operation to a transient object that is not instantiated in the object cache. Operations that cannot be applied to a not-instantiated transient object include deleting or pinning such an object.

Solution: Check their code to see if they are performing such an operation without instantiating the object first, or performing such an operation after the allocation duration of the object has expired.


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