501: data_set(member)’ requests members but data_set is not a partitioned data set.

Explanation

The LIST or NLST command was entered using the MVS™ syntax data_set(member), which indicates that members of the PDS data_set are to be listed; however, data_set is not a partitioned data set.

System action

The LIST or NLST command is rejected.

User response

Verify that the correct data set name was entered. Reissue the LIST or NLST command with the correct data set name.

System programmer response

None.