If you have another copy of this tape, use that instead for the re-catalog operation. If this is the only copy of the tape ...

If you have another copy of this tape, use that instead for the re-catalog operation. If this is the only copy of the tape and you want to recover as much data as is possible, on the Libraries tab in the Management task area, select this tape, click  View contents, and copy the contents of this tape to disk.