How To Fix KG841 - Profitability segment does not adhere to the derivation rules

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 841

• Message text: Profitability segment does not adhere to the derivation rules

What causes this issue?

The indicator "Check derivation" is active for this plan version. When
this is the case, the system checks whether the profitability segments
you plan are consistent with the structure of derivation.
This profitability segment is inconsistent. Characteristic "&V1&" has
has the value "&V2&", but should have "&V3&" according to the
derivation rules.

System Response

You cannot plan this segment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG841 - Profitability segment does not adhere to the derivation rules ?

  The SAP error message KG841, which states "Profitability segment does not adhere to the derivation rules," typically occurs in the context of Profitability Analysis (CO-PA) when the system is unable to derive a profitability segment based on the defined derivation rules. This can happen during the posting of a transaction that requires a profitability segment to be determined.
  Cause:
  
  Missing Derivation Rules: The derivation rules for profitability segments may not be properly defined or may be missing entirely in the configuration.
  Incorrect Configuration: The configuration settings for the profitability analysis may not align with the data being posted, leading to a failure in deriving the profitability segment.
  Data Inconsistencies: There may be inconsistencies or missing data in the master data (e.g., customer, material) that are required for the derivation process.
  Transaction Type Issues: The type of transaction being posted may not be compatible with the existing derivation rules.
  
  Solution:
  
  
  Check Derivation Rules: 
  
  Go to the configuration settings for CO-PA and review the derivation rules for profitability segments. Ensure that they are correctly defined and activated.
  Use transaction code KE4I to check and maintain the derivation rules.
  
  
  
  Review Master Data:
  
  Ensure that all relevant master data (customers, materials, etc.) is complete and correctly maintained. Missing or incorrect data can lead to derivation failures.
  
  
  
  Test with Different Scenarios:
  
  Try posting transactions with different combinations of data to identify if specific data is causing the issue.
  
  
  
  Check Transaction Types:
  
  Ensure that the transaction type being used is compatible with the derivation rules. You may need to adjust the configuration to accommodate the transaction type.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to CO-PA and profitability segment derivation for any specific guidance or known issues.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the derivation process to identify where it fails. This may require assistance from a technical consultant.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  KE4I: Maintain Derivation Rules
  KE30: Report for CO-PA
  KE21N: Create CO-PA Document
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to profitability segment derivation.
  Training and Documentation: Consider reviewing training materials or SAP Help documentation on CO-PA for a deeper understanding of how profitability segments are derived.
  
  By following these steps, you should be able to identify the cause of the KG841 error and implement a solution to resolve it.