Explanation
One of the following has occurred:
- An attempt was made to patch data that is located in protected
fields.
- An attempt was made to patch a field in the DFSMShsm MCVT record. Requests
to patch this field are only permitted during DFSMShsm startup initialization
processing.
System action
The command ends with no data modified. DFSMShsm processing
continues.
Programmer response
If attempting to patch a field
that is only patchable during initialization, the patch command will
complete successfully if placed in the DFSMShsm startup member of the SYS1.PARMLIB
(ARCCMDxx).