REQRUNDOWN, Error accessing database DDDD. Run MUPIP RUNDOWN on node NNNN.

Run Time Error: This indicates that GT.M could not open database file dddd due to a prior improper shutdown on node NNNN. A GT.M process on node NNNN may have failed to attach a database memory segment or it was terminated by a method other than MUPIP STOP.

Action: Perform MUPIP RUNDOWN from node NNNN. If MUPIP RUNDOWN with no parameters does not work, specify the region name or file-specification with -REGION or -FILE, respectively.