FABT3521E OPEN FAILED FOR KEYS`xxx` FILE

Explanation

The indicated data set was not opened successfully. KEYSxxx is:

KEYSIN: Contains root segment keys (created by HD Pointer Checker).
KEYSOUT: Contains block/RAP assignments (created by FABTROOT).

System action

Processing stops.

User response

Correct the error and rerun the job.

Problem determination

Check for JCL errors. Otherwise, rerun the HD Pointer Checker job to re-create the indicated data set.