How To Fix VN329 - Also enter partner function and transmission medium for possible entries

VN329 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 329

• Message text: Also enter partner function and transmission medium for possible entries

What causes this issue?

The partner to be determined depends on transmission medium and partner
function. Possible entries cannot be displayed without these entries.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter transmission medium and partner function.

Error message extract from SAP system. Copyright SAP SE.

VN329 - Details

• SAP Error Message:
  VN329 – "Also enter partner function and transmission medium for possible entries"
  
  
  Cause:
  This error occurs when you are trying to enter or maintain vendor master data (usually in transaction XK01/XK02/XK03 or related transactions), specifically in the Partner Functions tab or section, and the system requires you to specify both the Partner Function and the Transmission Medium fields to proceed.
  
  The Partner Function identifies the role of the partner (e.g., ordering address, invoicing party, contact person).
  The Transmission Medium specifies how the communication or document is transmitted to the partner (e.g., EDI, print, email, fax).
  
  If either of these fields is missing or incomplete when the system expects them, the error VN329 is triggered.
  
  When does it typically occur?
  
  While maintaining vendor master partner functions.
  When setting up or editing partner data for a vendor.
  When the system is configured to require partner function and transmission medium for certain partner entries.
  During document processing or partner determination where