How To Fix VN026 - Partner & is not defined

VN026 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 026

• Message text: Partner & is not defined

What causes this issue?

You have entered a partner which is not defined in the user master.

How to fix this error?

INCLUDE NA_EINGABE_PRUEFEN

Error message extract from SAP system. Copyright SAP SE.

VN026 - Details

• The SAP error message VN026: "Partner & is not defined" typically occurs in the context of vendor master data or purchasing documents when the system expects a business partner (vendor) to be defined but cannot find the relevant partner information.
  
  Cause
  
  The error indicates that the partner function (e.g., ordering address, invoicing party, goods supplier) assigned in a purchasing document or vendor master record is not defined or maintained.
  This can happen if:
  The partner function is missing in the vendor master data.
  The partner function is not assigned in the purchasing document (e.g., purchase order, contract).
  The partner determination procedure is incomplete or incorrectly configured.
  The partner number (vendor or business partner) is not maintained or is incorrect.
  
  
  In some cases, this error can also occur if the system expects a partner in a certain role but the partner is not assigned or the partner role is not maintained in the partner determination procedure.
  
  
  Solution
  
  
  Check Vendor Master Data:
  
  Go