DFS1113I label DUPLICATE MFLD HAS BEEN DELETED.
Explanation
A message field (MFLD) definition has been found that uses a definition field name (dfldname) already referenced in this MSG description. label is an externally defined name on the statement. If label is omitted, it is an internal name generated by the preprocessor for the statement. See also message DFS1024I.
System action
Processing continues with the next MSG or FMT definition.
Programmer response
Correct the message definition, and rerun the job.