I already deleted the prepaid invoice, but the system is not allowing me to delete the purchase order.
I tried changing the percentages to zero for prepayment, but get errors (both on the line and the header) -
Error when trying to delete the PO:
Error when trying to change the Prepayment % on the header:
Error when trying to edit the prepayment amount on the line level:
Error when trying to remove the prepayment % at the line level: