Checkout the solution mentioned in the note, 139176 - M7302: Field overflow in routine WERT_SIMULIEREN and see if it solves the issue you're facing.
Also see the note:
519800 - FAQ: Goods Receipt Question # 2
Checkout the solution mentioned in the note, 139176 - M7302: Field overflow in routine WERT_SIMULIEREN and see if it solves the issue you're facing.
Also see the note:
519800 - FAQ: Goods Receipt Question # 2