How To Fix WU021 - Distribution center & does not supply distribution chain & & of plant &

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 021

• Message text: Distribution center & does not supply distribution chain & & of plant &

What causes this issue?

A distribution center which is a source of supply for the material, but
does not supply the distribution chain of the plant in question, was
selected as the source of supply for the plant in question. The source
of supply cannot be used.

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?

Either select another source of supply or enter the distribution chain
of the plant to be supplied in distribution center Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU021 - Distribution center & does not supply distribution chain & & of plant & ?

  The SAP error message WU021 typically indicates an issue related to the distribution center not being properly configured to supply a specific distribution chain for a given plant. This error can arise in various scenarios, particularly in the context of logistics and supply chain management within SAP.
  Cause:
  
  Missing Configuration: The distribution center may not be set up to supply the specified distribution chain. This can happen if the distribution center is not assigned to the distribution chain in the configuration settings.
  Incorrect Master Data: The master data for the distribution center, distribution chain, or plant may be incomplete or incorrect.
  Plant and Distribution Chain Relationship: There may be a lack of proper relationship or assignment between the plant and the distribution chain in the system.
  Transport Network Issues: If the transport network is not properly defined, it can lead to this error.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP (usually in SPRO) and ensure that the distribution center is assigned to the correct distribution chain.
  Navigate to the relevant settings under Logistics > Logistics Execution > Shipping > Basic Shipping Functions > Define Distribution Centers.
  
  
  
  Review Master Data:
  
  Verify the master data for the distribution center, distribution chain, and plant. Ensure that all necessary fields are filled out correctly.
  Check the material master data to ensure that the distribution center is set up as a valid supply source.
  
  
  
  Assign Distribution Chain to Plant:
  
  Ensure that the distribution chain is properly assigned to the plant in the configuration settings. This can usually be done in the material master or in the configuration settings for the distribution chain.
  
  
  
  Transport Network Configuration:
  
  If applicable, check the transport network settings to ensure that the distribution center can supply the plant through the defined routes.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test to see if the error persists. This can involve creating a new order or running a supply chain process that involves the distribution center.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration, MM03 for material master data, and MD01 for running MRP.
  Documentation: Refer to SAP Help documentation for detailed steps on configuring distribution centers and distribution chains.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the WU021 error and ensure that your distribution center is correctly set up to supply the necessary distribution chain for the specified plant.