Oracle : Ошибка ORA-27192

"skgfcls: sbtclose2 returned error - failed to close file"
*Cause: sbtclose2 returned an error. This happens while closing a backup
file during a backup or restore operation.
*Action: This error is returned from the media management software which is
linked with Oracle. There should be additional messages which
explain the cause of the error. This error usually requires
contacting the media management vendor.

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