How To Fix WU539 - A different external supplier is assigned in the reference plant

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 539

• Message text: A different external supplier is assigned in the reference plant

What causes this issue?

An external vendor that differs from the external vendor for the
reference plant was found for plant &V4&, material &V2& in unit of
measure &V3&.

System Response

Price activation at plant group level may lead to incorrect results for
plant group &V1&.

How to fix this error?

You can activate prices at plant level by changing the price activation
type for plant group &V1&. To do this, change the price activation type
indicator to "Plant" in the plant group overview.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU539 - A different external supplier is assigned in the reference plant ?

  The SAP error message WU539 indicates that there is a mismatch in the external supplier assignment for a specific material in the reference plant. This typically occurs when you are trying to create or change a purchasing document (like a purchase order) and the system finds that the supplier you are trying to use is not the one assigned to the material in the specified plant.
  Cause:
  
  Supplier Assignment: The material in the reference plant is assigned to a different external supplier than the one you are trying to use.
  Data Inconsistency: There may be inconsistencies in the vendor master data or material master data.
  Plant-Specific Data: The supplier may not be set up for the specific plant you are working with, or the supplier may have been changed or deleted.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the purchasing view for the material in the reference plant. Verify which supplier is assigned.
  
  
  
  Check Vendor Master Data:
  
  Use transaction code XK03 to view the vendor master data and ensure that the vendor is correctly set up for the relevant purchasing organization and plant.
  
  
  
  Update Supplier Assignment:
  
  If the supplier needs to be changed, you can update the supplier assignment in the material master (transaction code MM02) under the purchasing view for the relevant plant.
  
  
  
  Create or Update Info Record:
  
  If you are using an info record (transaction code ME11 or ME12), ensure that the info record is correctly set up for the material and the supplier in the relevant plant.
  
  
  
  Consult with Procurement Team:
  
  If you are unsure about which supplier should be used, consult with your procurement or purchasing team to confirm the correct supplier for the material in question.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  XK03: Display Vendor Master
  ME11: Create Info Record
  ME12: Change Info Record
  
  
  
  Documentation: Refer to SAP Help documentation for more details on material and vendor master data management.
  
  
  User Roles: Ensure that you have the necessary authorizations to view and change material and vendor data.
  
  
  By following these steps, you should be able to resolve the WU539 error and ensure that the correct supplier is assigned to the material in the reference plant.