EXTERNAL DDname xxxxxxxx is not a DASD or Tape file
Explanation
The EXTERNAL operand specified a DDname that does
not have a device type of DASD or Tape.
System action
The report is ignored and command processing continues.
User response
Correct the External Work File DD statement to specify
a DASD or Tape data set. See
cpaug152.htm#cpaug-gen152 for
information on the DD statements for External Work Files.