DFSMShsm received a migration request for the data set identified in message ARC1001I. One of the following occurred:

• The data set is already migrated, and the migration request is not a request to migrate to a level 2 volume.
• The data set is already migrated, but the migration volume it resides on has not been added to DFSMShsm control.
• The data set is not migrated, but it resides on a migration volume.