CKM02291E ABEND WHILE PROCESSING BACKUP COMMAND; PHASE pppp

Explanation
An unrecoverable MVS related error occurred while processing the BACKUP
command.

User response
For x37 and x13 related errors, the problem is caused by a poorly specified
OUTFILE or OUTDATASET. Correct the specifications and re-run product.

For all other errors, contact Technical Support. Have available the listing
that contains this message and the SCKMPARM member that controls execution.