How To Fix WY048 - Partner & would be second default partner for partner function &

SAP Error Message - Details

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 048

• Message text: Partner & would be second default partner for partner function &

What causes this issue?

You wanted to define the partner as default partner of the vendor for a
certain partner role.
However, it is only possible to define one partner as default partner
for a partner role per data retention level.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WY048 - Partner & would be second default partner for partner function & ?

  Certainly! Here's a detailed explanation for the SAP error message WY048:
  
  SAP Error Message: WY048
  Text: Partner & would be second default partner for partner function &
  
  Cause:
  This error occurs when you try to assign a second default partner for the same partner function in a business transaction or master data. In SAP, for certain partner functions (like Sold-to party, Ship-to party, Payer, etc.), only one partner can be marked as the default partner. Attempting to assign a second default partner for the same partner function violates this rule, triggering the WY048 error.
  
  Explanation:
  
  Partner Function: Defines the role of a business partner in a transaction (e.g., Sold-to party, Bill-to party, Ship-to party).
  Default Partner: The partner marked as default for a particular partner function, which SAP uses automatically in transactions.
  When you try to assign a second partner as default for the same partner function, SAP raises this error to prevent ambiguity.
  
  
  Solution:
  
  
  Check Existing Default Partner:
  
  Review the current partners assigned to the transaction or master data.
  Identify which partner is already set as the default for the partner function in question.
  
  
  
  Remove or Change Default Flag:
  
  If you want to assign a new default partner, first remove the default flag from the existing default partner.
  Then assign the default flag to the new partner.
  
  
  
  Adjust Partner Assignments:
  
  Ensure that only one partner per partner function is marked as default.
  If multiple partners are needed for the same function, only one can be default; others must be non-default.
  
  
  
  Use Transaction Codes:
  
  For sales documents: Use VA01/VA02 (Create/Change Sales Order) to check partner assignments.
  For customer master: Use XD02/VD02 to check/change partner functions.
  
  
  
  
  Related Information:
  
  Partner Functions in SAP: Define roles of business partners in sales and distribution.
  Default Partner: Used by SAP to pre-fill partner data in transactions.
  Transaction Codes:
  
  VA01/VA02 - Create/Change Sales Order
  XD02/VD02 - Change Customer Master Data
  
  
  Configuration: Partner functions and their default settings are maintained in IMG under:
  
  SPRO -> Sales and Distribution -> Basic Functions -> Partner Determination -> Set Up Partner Determination
  
  
  
  
  Summary:
  
  Error WY048 means you are trying to assign a second default partner for the same partner function.
  Only one default partner per partner function is allowed.
  To fix, remove the default flag from the existing default partner before assigning it to another.
  
  
  If you need help with a specific transaction or configuration step, feel free to ask!