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

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.