How To Fix GBSE_HANA008 - Hierarchy "&" replaced by unique root hierarchy "&".

SAP Error Message - Details

• Message type: E = Error

• Message class: GBSE_HANA - Messages for HANA hierarchie access

• Message number: 008

• Message text: Hierarchy "&" replaced by unique root hierarchy "&".

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 GBSE_HANA008 - Hierarchy "&" replaced by unique root hierarchy "&". ?

  The SAP error message GBSE_HANA008 indicates that there is an issue with a hierarchy in SAP HANA, specifically that a hierarchy you are trying to use has been replaced by a unique root hierarchy. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA modeling when dealing with hierarchies in InfoObjects or data models.
  Cause:
  
  Duplicate Hierarchies: The error usually arises when there are multiple hierarchies defined for the same InfoObject, and the system cannot determine which one to use. As a result, it defaults to a unique root hierarchy.
  Inconsistent Data: There may be inconsistencies in the data or the way hierarchies are defined, leading to conflicts.
  Modeling Issues: If the hierarchy is not properly modeled or if there are changes in the underlying data structure, it can lead to this error.
  
  Solution:
  
  Check Hierarchy Definitions: Review the hierarchy definitions in the InfoObject to ensure that there are no duplicates. If there are multiple hierarchies, consider consolidating them or ensuring that they are uniquely defined.
  Data Consistency: Ensure that the data in the hierarchy is consistent and that there are no missing or incorrect entries that could lead to ambiguity.
  Recreate Hierarchies: If the hierarchy is corrupted or incorrectly defined, you may need to delete and recreate the hierarchy.
  Update Queries/Reports: If you are using queries or reports that reference the hierarchy, ensure that they are updated to reflect the changes made to the hierarchy definitions.
  Check for System Notes: Sometimes, SAP releases notes or patches that address specific issues. Check the SAP Support Portal for any relevant notes related to this error.
  
  Related Information:
  
  SAP Notes: Look for SAP Notes related to hierarchy management in BW or HANA. These notes may provide additional insights or fixes for known issues.
  Documentation: Refer to the official SAP documentation for BW or HANA modeling to understand how hierarchies should be defined and managed.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide practical solutions based on their experiences.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.