Oracle : Ошибка ORA-22276

"invalid locator for LOB buffering"
*Cause: There are several causes: (1) the locator was never enabled for
buffering (2) it is not an updated locator but is being used for
a write/flush operation
*Action: For (1) enable the locator for buffering; (2) ensure that only
an updated locator is used for a LOB update operation

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