SAP Knowledge Base Article - Preview

2738139 - Error WY123 - Customer & is already assigned to another vendor


When changing vendor master data in transaction XK02, error WY123 - "Customer & is already assigned to another vendor" is issued:

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."



  • SAP ERP 6.0
  • SAP ERP Central Component
  • SAP enhancement package for SAP ERP
  • SAP Supplier Relationship Management for SAP ERP


SAP ERP Central Component all versions ; SAP ERP all versions


WY123, WY 123, F2 294, F2294, Customer & is already assigned to another vendor, XK02, Vendor &1 currently refers to customer &2, T00C , KBA , LO-MD-BP , Business Partners , AP-MD-BP , Business Partner , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.