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