Oracle : Ошибка ORA-12840

"cannot access a remote table after parallel/insert direct load txn"
*Cause: Within a transaction, an attempt was made to perform distributed
access after a PDML or insert direct statement had been issued.
*Action: Commit/rollback the PDML transaction first, and then perform
the distributed access, or perform the distributed access before the
first PDML statement in the transaction.

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