IDC31707I ERROR OBTAINING TSO QUALIFIER

Explanation
The Time Sharing Option/Extensions (TSO/E) user
id cannot be prefixed to the unqualified data set name.

System action
Processing ends.

Programmer response
You should attempt to determine the cause
of the problem. See z/OS DFSMSdfp Diagnosis for
information on dump points.

Source
DFSMSdfp