11A

Explanation
The error occurred trying to store into a user-supplied
OS/VS CAMLST work area.

System action
SVC 26 received a protection check because the
protect key of the supplied work area did not match the user's protect
key.

System programmer response
  If the error recurs and the program
is not in error, look at the messages in the job log for more information.
Search problem reporting data bases for a fix for the problem. If
no fix exists, contact the IBM® Support
Center. Provide the JCL and the program listing for the job.

Programmer response
Correct the pointer in the OS/VS LOCATE
parameter list to the LOCATE work area, and run the job step again.

Source
DFSMSdfp