Hello Ophelia, 

You can enter an AP Adjustment to zero out the incorrect AP Invoice or you can issue a Credit Note and apply it against the incorrect Invoice.. 

If you are in PO, then you can enter a Return Entry against the receipt followed by a PO Credit Note.

Regards,

DCrampton

Hi Ophelia,  if the suggested answer helped, please mark it as verified ( by clicking the "Verify Answer" button next to Reply, on the response) for the benefit of others in this forum. Thank you. 

Hi Ophelia,  if the suggested answer helped, please mark it as verified ( by clicking the "Verify Answer" button next to Reply, on the response) for the benefit of others in this forum. Thank you.