Oracle : Ошибка ORA-01171

"datafile %s going offline due to error advancing checkpoint"
*Cause: The checkpoint in the file header could not be advanced. See
accompanying errors for the reason. The datafile will be taken
offline the same as for a write error of a data block.
*Action: See accompanying errors for details. Restore access to the file,
do media recovery, and bring it back online.

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