How To Fix KQ019 - Hierarchy & already summarized. Deletion not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: KQ - Error Messages for Customizing Product Costing

• Message number: 019

• Message text: Hierarchy & already summarized. Deletion not allowed

What causes this issue?

The hierarchy has already been summarized. Data for this hierarchy is
present in the system. Before you can delete the hierarchy, you must
delete the hierarchy data.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you really want to delete the hierarchy, you must first carry out a
deletion run in the transaction for data collection.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KQ019 - Hierarchy & already summarized. Deletion not allowed ?

  The SAP error message KQ019 ("Hierarchy & already summarized. Deletion not allowed") typically occurs in the context of SAP Controlling (CO) when you attempt to delete a hierarchy node that has already been summarized or aggregated. This means that the node is part of a higher-level structure, and SAP prevents deletion to maintain data integrity.
  Cause:
  
  Hierarchy Structure: The node you are trying to delete is part of a hierarchy that has already been summarized. This means that it has been used in calculations or reports, and deleting it could lead to inconsistencies.
  Data Integrity: SAP enforces rules to ensure that the data remains consistent and reliable. Deleting a summarized node could disrupt the relationships and calculations that depend on that node.
  
  Solution:
  
  Check Dependencies: Before attempting to delete a hierarchy node, check if it is being used in any reports or calculations. You may need to unassign or remove it from those dependencies first.
  Un-summarize: If possible, you may need to un-summarize the hierarchy node. This can often be done through the hierarchy management tools in SAP.
  Use Alternative Methods: Instead of deleting the node, consider marking it as inactive or using other methods to exclude it from reports without deleting it entirely.
  Consult Documentation: Refer to SAP documentation or help resources for specific steps on managing hierarchies in your version of SAP.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like KSH1 (Create Cost Center Hierarchy) or KSH2 (Change Cost Center Hierarchy) to manage hierarchies.
  SAP Notes: Check SAP Notes for any specific patches or updates related to hierarchy management that might address this issue.
  User Permissions: Ensure that you have the necessary permissions to make changes to the hierarchy structure, as restrictions may also lead to errors.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more tailored assistance based on your specific SAP environment and configuration.