IIUD3601E GET FAILED FOR DDNAME `ddname`

Explanation
 The GET failed for a directory from the DD ddname data
set.

System action
 IIUUDIAG ends with an abend code of U3601.

User response
 See the MVS system
message and its programmer response. Correct the error, and rerun
IIUUDIAG. If the error persists, report it to IBM®.