How To Fix W_CB427 - List and plant exclude one another

SAP Error Message - Details

• Message type: E = Error

• Message class: W_CB -

• Message number: 427

• Message text: List and plant exclude one another

Self-Explanatory Message

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• What is the cause and solution for SAP error message W_CB427 - List and plant exclude one another ?

  SAP Error Message:
  
  W_CB427: List and plant exclude one another
  
  Cause:
  This warning message occurs when you try to create or process a document (such as a production order, reservation, or goods movement) where the material list (BOM) and the plant specified do not match or are incompatible. In other words, the BOM is assigned to a different plant than the one specified in the transaction, or the plant in the document does not correspond to the plant assigned to the BOM.
  This inconsistency leads to the system warning that the list (BOM) and the plant exclude one another.
  
  Explanation:
  
  In SAP, BOMs are created and maintained at the plant level.
  Each BOM is valid only for the plant it is assigned to.
  If you try to use a BOM from Plant A in a transaction for Plant B, the system issues this warning.
  This is to prevent errors in production or inventory management due to mismatched data.
  
  
  Solution:
  
  
  Check the Plant in the Document:
  
  Verify the plant entered in the transaction (e.g., production order, reservation).
  Make sure it is the correct plant where the material is being processed.
  
  
  
  Check the BOM Plant Assignment:
  
  Use transaction CS03 (Display BOM) to check the plant for the BOM.
  Confirm that the BOM belongs to the same plant as in the transaction.
  
  
  
  Correct the Plant or BOM:
  
  If the BOM is for a different plant, either:
  
  Change the plant in the transaction to match the BOM plant, or
  Use a BOM that belongs to the plant in the transaction.
  
  
  
  
  
  Create or Copy BOM for the Correct Plant:
  
  If a BOM does not exist for the required plant, create a new BOM for that plant or copy an existing BOM to the correct plant using CS01 or CS02.
  
  
  
  Check Material Master Plant Data:
  
  Ensure the material master has the correct plant data maintained (MM02).
  
  
  
  
  Additional Information:
  
  This is a warning message (W_CB427), so the system allows you to continue but advises you to check the data.
  Ignoring this warning may lead to incorrect production or inventory postings.
  This message is common in production planning (PP), materials management (MM), and plant maintenance (PM) modules when BOMs and plants are involved.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Message
  W_CB427: List and plant exclude one another
  
  
  Cause
  BOM and plant in the transaction do not match
  
  
  Effect
  Warning issued to prevent inconsistent data
  
  
  Solution
  Align BOM plant and transaction plant; create BOM for correct plant if needed
  
  
  Transactions
  CS01, CS02, CS03, CO01, MB21, MM02
  
  
  
  
  If you need further help, please provide the transaction code and context where the message appears.