How To Fix WU535 - A different supplier category (internal/external) assigned in ref. plant

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 535

• Message text: A different supplier category (internal/external) assigned in ref. plant

What causes this issue?

A vendor category (internal/external vendor) that differs from the
vendor category of 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 of 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 WU535 - A different supplier category (internal/external) assigned in ref. plant ?

  The SAP error message WU535 indicates that there is a mismatch in the supplier category (internal or external) assigned in the reference plant for a particular supplier. This error typically arises during the procurement process when trying to create or modify a purchasing document, such as a purchase order or a purchase requisition.
  Cause:
  The error occurs due to the following reasons:
  
  Supplier Category Mismatch: The supplier you are trying to use is categorized differently in the reference plant compared to what is expected in the current context (e.g., internal vs. external).
  Configuration Issues: There may be inconsistencies in the configuration of the supplier master data or the plant settings in the SAP system.
  Data Entry Errors: Incorrect data entry while creating or modifying the supplier or plant settings can lead to this error.
  
  Solution:
  To resolve the WU535 error, you can take the following steps:
  
  
  Check Supplier Master Data:
  
  Go to the supplier master data (transaction code MK03 for display).
  Verify the supplier category assigned to the supplier in the reference plant.
  Ensure that the supplier is correctly categorized as either internal or external based on your business requirements.
  
  
  
  Review Plant Settings:
  
  Check the plant settings (transaction code SPRO for configuration).
  Navigate to the relevant configuration for purchasing and ensure that the supplier category settings are consistent across the plants.
  
  
  
  Adjust Purchasing Document:
  
  If you are creating a purchasing document, ensure that you are using the correct supplier and that the document is being created in the correct context (e.g., the right plant).
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unable to resolve the issue, consult with your SAP administrator or support team. They can help investigate the configuration and data settings in more detail.
  
  
  
  Documentation and Training:
  
  Ensure that users involved in the procurement process are trained on how to correctly assign and manage supplier categories to avoid similar issues in the future.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MK01 (Create Supplier), MK02 (Change Supplier), MK03 (Display Supplier), and ME21N (Create Purchase Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Manuals: Refer to user manuals or internal documentation for your organization’s specific processes regarding supplier management and procurement.
  
  By following these steps, you should be able to identify and resolve the cause of the WU535 error in SAP.