If an abend occurs while you are running the DFSMSrmm ISPF dialog, you can obtain further diagnostic information using these techniques:

• Run with write-to-programmer message turned on in your TSO/E profile. This allows you to see the message identifier and an online symptom dump for error messages issued from components other than the DFSMSrmm ISPF dialog.
  To run with write-to-programmer message turned on in your TSO/E profile, issue the command:

  TSO PROFILE WTPMSG

  To turn off the write-to-programmer message in your TSO/E profile, issue the command:

  TSO PROFILE NOWTPMSG

• Allocate a SYSUDUMP data set on TSO before invoking the DFSMSrmm ISPF dialog. For example, to dump to a new data set called UDUMP, specify:

  ALLOC DD(SYSUDUMP) DS(UDUMP) MOD SPACE(5,5) CYLINDERS CATALOG