3014673 - Message M8777 "&1 has no partner role in purchase order &2" occurs when creating supplier invoices

Warning message M8777 "&1 has no partner role in purchase order &2" appears when using Fiori App Create Supplier Invoice - Advanced.

SAP S/4HANA Cloud Public Edition

1. Open Fiori App Create Supplier Invoice - Advanced.
2. After maintaining the required fields, check the invoice and find that vendor is different from supplier in the Purchase Order.
3. Warning message M8777 "&1 has no partner role in purchase order &2" appears.

This is the standard behavior of the system. This is a normal system check due to a discrepancy between the vendor in the current invoice and the supplier in the purchase order.

If the business requirement does not allow posting to vendor different from supplier in purchase order, please set the error message M8777 to Error (E) in SSCUI 102091 Define Message Types for Area M8 (Create a new entry).

M8777, Vendor, Supplier, Invoicing Party, SSCUI 102091, OMRM, MIRO, Create Supplier Invoice - Advanced, partner role, Define Message Types for Area M8
, KBA , MM-IV-LIV , Logistics Invoice Verification , Problem