Oracle : Ошибка ORA-26024

"SKIP_UNUSABLE_INDEXES requested and index segment was initially unusable"
* Cause: User requested SKIP_UNUSABLE_INDEXES option, and the index segment
* was in unusable state prior to the beginning of the load.
* Action: Informational only. User will need to either rebuild the index
* or index partition, or re-create the index.

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