Forum Post: PO Receipt Err: Customer is on-hold or inactive

My customer is trying to do a PO invoice receipt entry and gets the message above, "Err: Customer is on-hold or inactive". The customer from the SOP to POP transaction is not on hold, nor is the vendor. In addition, this error is only being received for one item on the receipt - there are 3 items total. The GP user does use Project Accounting - would that have anything to do with it? Thanks!