How To Fix E0428 - Enter a valid partner function

E0428 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 428

• Message text: Enter a valid partner function

What causes this issue?

The specified partner function '&v3&' is not valid.

How to fix this error?

Please enter a valid partner function. Use the possible entries to
display an overview of the partner functions.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0428 - Enter a valid partner function ?

  The SAP error message E0428, which states "Enter a valid partner function," typically occurs when a user is trying to enter or process data related to partner functions in a business transaction (such as sales orders, purchase orders, etc.) and the system does not recognize the partner function being entered.
  
  Cause:
  
  Invalid Partner Function: The partner function code entered does not exist in the system or is not defined for the specific business transaction.
  
  Configuration Issues: The partner function may not be properly configured in the system for the relevant document type or business process.
  Missing Master Data: The partner function may not be assigned to the relevant master data (like customer or vendor master records).
  Authorization Issues: The user may not have the necessary authorizations to access or modify the partner functions.
  
  
  Solution:
  
  
  Check Partner Function Code: Verify that the partner function code you are entering is correct and exists in the system. You can do