The CODE-SET clause was specified in the program file description and the data set associated with the ASSIGN clause did not contain ASCII data. The OPEN statement failed.
If a file status was specified, no system action is performed. If a file status field was not specified, the program is terminated and message IGZ0035S is generated.
Check that the data set associated with the ASSIGN clause is the correct one, and if it is, check the data set for the ASCII attribute.
IGZ06A