The data set being restored is an inconsistent PDSE, and you have indicated to DFSMSdss that the data set is either a PDS or a PDSE. If the data set is a PDSE, you must restore it as a PDSE. If you try to restore it as a PDS, DFSMSdss issues error messages, and the restore fails. If the data set is a PDS, you must restore it as a PDS. If you try to restore it as a PDSE, the restore complete without errors, but the data set will be unusable.