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TSA6OO-X-266: This data set is in use and cannot be accessed at this time.

Source:  TSA6OO.NLM

Explanation:  The specified file is currently in use by another application and cannot be accessed.

Action:  Make sure the file is not in use by any application. If it is, close the application.

  Previous Page: TSA6OO-X-265: This file is flagged Execute Only and cannot be opened.  Next Page: TSA6OO-X-267: The target data set is newer than the one on the media. The data set will not be restored.