Errors:  Address Code is invalid (A5965) / No active address exists for this Vendor, Address ID, and this transaction type. (A843)  The Address does not exist on the Address Table. (A2461) / R_AD not found for PO_DOC_VEND.

Resolution: A new address code must be picked from the Address Code field of the Vendor section of the rejected document before it can be validated and submitted.