The file specified in Factor 2 (positions 33-42) for EXFMT operation must be a combined, Full-Procedural WORKSTN file (C in File-Type entry in position 15 of File-Description specification, F in File-Designation entry in position 16 and WORKSTN in Device-Type entry in positions 40-46).
Ensure the file is valid for the EXFMT operation. Compile again.
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