FUNL0016 DDNAME '(ddname)' not found.
Either the data set indicated by the OPEN dataset or one of the secondary datasets that make up the logical database file could not be opened. This could be caused by an missing DD card (FILEDEF under CMS). Validate the DD cards or FILEDEFs for the input database file against those use to process the file with Model 204 and correct the DD statements to match those used with Model 204.