Explanation

An error occurred during open, close, EOV, or DADSM processing. In the dump title, the variable fields are:
errmod
The name of the module in error
jobn
The name of the affected job; from the TIOT, if available
stepn
The name of the affected step; from the TIOT, if available
addr
The address of the task recovery routine (TRR) work area

The areas dumped are NUC and RGN.