When a data set was being backed up, an error was encountered during the creation or modification of a migration control data set record. Message ARC1001I gives the data set name of the data set being backed up.
The data set is not backed up. DFSMShsm processing continues.
Notify the storage administrator, who can determine if there is a problem with the DFSMShsm control data sets.
DFSMShsm