The following error has occurred while executing the error handling callback: ORA-04031: unable to allocate 8216 bytes of shared memory ("large pool","unknown object","koh-kghu sessi","pl/sql vc2") ORA-04031: unable to allocate 4120 bytes of shared memory ("large pool","unknown object","koh-kghu sessi","pl/sql vc2") ORA-04031: unable to allocate 2520 bytes of shared memory ("large pool","unknown object","session heap","koh-kghu session heap")