ORA-24369: required callbacks not registered for one or more bind handles

ORA-24369: required callbacks not registered for one or more bind handles

Cause: No callbacks have been registered for one or more of the bind handles which are part of the RETURNING clause.

Action: The bind handles which are to receive data in a DML statememt with a RETURNING clause must have their mode set as DATA_AT_EXEC and callback functions must be registered for these bind handles using OCIBindDynamic.