CASRB0019E Error opening log file (rdoupgrd.log), status=file-status

An unexpected file-status was received when attempting to open the dfhpcupg log file (rdoupgrd.log) in the same directory as the input RDF file. The file is opened in EXTEND mode.
System Action:
Processing continues without logging.
Resolution:
Look up the file-status and handle accordingly.
Module:
dfhpcupg
Destination:
Stdout