How To Fix KH490 - A hierarchy is required for aggregation rules NHA and NGA

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 490

• Message text: A hierarchy is required for aggregation rules NHA and NGA

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KH490 - A hierarchy is required for aggregation rules NHA and NGA ?

  The SAP error message KH490 indicates that a hierarchy is required for the aggregation rules NHA (Non-Hierarchical Aggregation) and NGA (Non-Group Aggregation). This error typically occurs in the context of SAP Controlling (CO) when you are trying to perform a report or analysis that requires a hierarchy for the specified aggregation rules.
  Cause:
  
  Missing Hierarchy: The primary cause of this error is that the system expects a hierarchy to be defined for the specified aggregation rules, but none is available.
  Incorrect Configuration: The configuration settings for the controlling area or the specific report may not be set up correctly to include the necessary hierarchies.
  Data Structure Issues: The data structure being used for the report may not support the required hierarchy.
  
  Solution:
  
  
  Define a Hierarchy:
  
  Go to the relevant transaction (e.g., KSH1 for creating a cost center hierarchy).
  Create or modify the hierarchy that is required for the aggregation rules NHA and NGA.
  Ensure that the hierarchy is activated and properly assigned to the relevant controlling area or report.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the controlling area to ensure that the aggregation rules are correctly set up.
  Ensure that the hierarchy is linked to the appropriate master data (e.g., cost centers, internal orders).
  
  
  
  Use Alternative Aggregation:
  
  If a hierarchy is not necessary for your reporting needs, consider using different aggregation rules that do not require a hierarchy.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on setting up hierarchies and aggregation rules in your version of SAP.
  
  
  
  Testing:
  
  After making changes, test the report or transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSH1 (Create Hierarchy), KSH2 (Change Hierarchy), and KSH3 (Display Hierarchy).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to create or modify hierarchies in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SAP Controlling.