How To Fix KO828 - A different rule is assigned to material &1 in valuation area &2

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 828

• Message text: A different rule is assigned to material &1 in valuation area &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KO828 - A different rule is assigned to material &1 in valuation area &2 ?

  The SAP error message KO828 indicates that there is a conflict in the assignment of valuation rules for a specific material in a particular valuation area. This typically occurs in the context of controlling (CO) when you are trying to perform a transaction that involves cost accounting, such as creating or changing a cost estimate.
  Cause:
  The error arises when:
  
  A different costing variant or valuation rule is already assigned to the material in the specified valuation area.
  The system expects a consistent valuation rule for the material across the valuation area, but finds a mismatch.
  
  Solution:
  To resolve the KO828 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record for the specified material and valuation area.
  Use transaction code MM03 to display the material master.
  Navigate to the Accounting view and check the valuation class and costing variant assigned.
  
  
  
  Review Valuation Area Settings:
  
  Ensure that the valuation area settings in the controlling area are consistent.
  Use transaction code OKB9 to check the settings for the valuation area and ensure that the correct costing variant is assigned.
  
  
  
  Adjust Costing Variant:
  
  If necessary, change the costing variant for the material in the valuation area to match the expected valuation rule.
  You can do this using transaction code CK11N to create a new cost estimate or CK40N to change an existing one.
  
  
  
  Consistency Check:
  
  After making changes, perform a consistency check to ensure that the material and valuation area settings are aligned.
  You can use transaction code CKR1 to check the consistency of the cost estimates.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  CK11N: Create Cost Estimate
  CK40N: Change Cost Estimate
  OKB9: Maintain Costing Variants
  CKR1: Check Costing
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  
  User Roles: Ensure that you have the necessary authorizations to make changes to the material master and costing settings.
  
  
  By following these steps, you should be able to identify the cause of the KO828 error and implement the necessary changes to resolve it.