How To Fix REBDAO036 - Hierarchy entered is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: REBDAO -

• Message number: 036

• Message text: Hierarchy entered is not unique

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message REBDAO036 - Hierarchy entered is not unique ?

  The SAP error message REBDAO036, which states "Hierarchy entered is not unique," typically occurs in the context of SAP's Real Estate Management (RE) module or when dealing with hierarchical data structures in SAP. This error indicates that the system has encountered multiple entries that match the criteria for a hierarchy, leading to ambiguity.
  Cause:
  
  Duplicate Hierarchy Entries: The most common cause of this error is that there are multiple entries in the hierarchy that match the criteria you are trying to use. This could be due to incorrect data entry or configuration.
  Incorrect Hierarchy Structure: The hierarchy may not be set up correctly, leading to overlapping or duplicate nodes.
  Data Consistency Issues: There may be inconsistencies in the data that have not been resolved, causing the system to find multiple valid paths or nodes.
  
  Solution:
  
  Check Hierarchy Entries: Review the hierarchy entries in the relevant transaction or configuration settings. Ensure that each entry is unique and that there are no duplicates.
  Adjust Hierarchy Structure: If you find that the hierarchy is incorrectly structured, you may need to adjust it. This could involve deleting or merging duplicate nodes or restructuring the hierarchy to ensure uniqueness.
  Data Validation: Run data validation checks to identify any inconsistencies or duplicates in the data. This may involve using transaction codes like SE16 or SE11 to view the underlying tables.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing hierarchies in your version of SAP.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration of your system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RECN (for Real Estate Contract Management) or REIS (for Real Estate Information System) that may help you navigate the hierarchy settings.
  SAP Notes: Check for any SAP Notes related to this error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the issue causing the REBDAO036 error in your SAP system.