GRS4291

The Code-Part entry (position 26, 33, or 40 of an Input-Record specification) must be blank when the corresponding Position entry (positions 21-24, 28-31, or 35-38) is blank.

Correct the Code-Part entry (position 26, 33, or 40) or the Position entry (positions 21-24, 28-31 or 35-38). Compile again.