How To Fix HDS086 - Derivation tree &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: HDS - HDS Message Class

• Message number: 086

• Message text: Derivation tree &1 already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message HDS086 - Derivation tree &1 already exists ?

  The SAP error message HDS086, which states "Derivation tree &1 already exists," typically occurs in the context of SAP's data management and derivation processes, particularly when working with the SAP HANA database or SAP BW (Business Warehouse) systems. This error indicates that there is an attempt to create a derivation tree that already exists in the system.
  Cause:
  
  Duplicate Derivation Tree: The most common cause of this error is that a derivation tree with the specified name (represented by &1) already exists in the system. This can happen if there was an attempt to create a new derivation tree without first checking for existing ones.
  Concurrent Processes: If multiple processes are trying to create the same derivation tree simultaneously, it can lead to this error.
  System Configuration Issues: Misconfigurations in the system or incorrect settings in the derivation logic can also lead to this error.
  
  Solution:
  
  Check Existing Derivation Trees: Before creating a new derivation tree, check if a derivation tree with the same name already exists. You can do this by navigating to the relevant transaction or using the appropriate reporting tools in SAP.
  Rename the New Derivation Tree: If you need to create a new derivation tree, consider using a different name that does not conflict with existing trees.
  Delete or Modify Existing Derivation Tree: If the existing derivation tree is no longer needed, you can delete it or modify it as necessary. Ensure that you have the appropriate authorizations to perform these actions.
  Review Concurrent Processes: If you suspect that concurrent processes are causing the issue, review the system logs and processes to identify and resolve any conflicts.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing derivation trees in your version of SAP.
  
  Related Information:
  
  Transaction Codes: Depending on your SAP system, you may use specific transaction codes to manage derivation trees, such as RSD1 for InfoObjects or RSA1 for the Data Warehousing Workbench.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  By following these steps, you should be able to resolve the HDS086 error and successfully manage your derivation trees in SAP.