How To Fix KU343 - Key of summarization node incorrectly structured

SAP Error Message - Details

• Message type: E = Error

• Message class: KU - Costing: Rollup

• Message number: 343

• Message text: Key of summarization node incorrectly structured

What causes this issue?

A system error occurred.

How to fix this error?

Please inform your system administrator or contact the SAP hotline with
details of the message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KU343 - Key of summarization node incorrectly structured ?

  The SAP error message KU343, which states "Key of summarization node incorrectly structured," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with summarization nodes in the context of Profitability Analysis (CO-PA) or other reporting structures.
  Cause:
  The error is generally caused by one of the following issues:
  
  
  Incorrect Configuration: The summarization node may not be configured correctly in the system. This could involve incorrect settings in the characteristics or key figures that define the summarization node.
  
  
  Data Structure Issues: The data being processed may not match the expected structure defined for the summarization node. This can happen if there are changes in the underlying data model or if the data has been corrupted.
  
  
  Missing or Incorrect Keys: The keys that are supposed to be used for summarization may be missing or incorrectly defined, leading to a mismatch in the expected structure.
  
  
  Versioning Issues: If there are multiple versions of the summarization node or if the node has been modified without proper adjustments to the related data, this can lead to structural inconsistencies.
  
  
  Solution:
  To resolve the KU343 error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration of the summarization node in the SAP system. Ensure that all characteristics and key figures are correctly defined and aligned with the data structure.
  
  
  
  Validate Data:
  
  Check the data being processed for any inconsistencies or corruption. Ensure that the data adheres to the expected structure for the summarization node.
  
  
  
  Review Keys:
  
  Verify that all necessary keys for the summarization node are present and correctly defined. If any keys are missing, add them as needed.
  
  
  
  Recreate the Summarization Node:
  
  If the issue persists, consider recreating the summarization node. This can help reset any incorrect configurations or structural issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of your SAP system for any known issues or additional troubleshooting steps.
  
  
  
  Seek Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like KE30 (for CO-PA reports) or KE24 (for CO-PA line item display) to analyze the data and configuration related to the summarization node.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Help Portal for detailed information on configuring summarization nodes and handling errors in CO-PA.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the KU343 error in your SAP system.