Oracle : Ошибка ORA-22280

"no more buffers available for operation"
*Cause: There are two causes: (1) All buffers in the buffer pool have been
used up by previous operations (2) Attempt to flush a LOB without
any previous buffered update operations.
*Action: For (1), flush the LOB(s) through the locator that is
being used to update the LOB. For (2), write to the LOB through a
locator enabled for buffering before attempting to flush buffers.

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