How To Fix /CUM/MSG534 - More than one top CUI defined in CUI hierarchy

SAP Error Message - Details

• Message type: E = Error

• Message class: /CUM/MSG -

• Message number: 534

• Message text: More than one top CUI defined in CUI 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 /CUM/MSG534 - More than one top CUI defined in CUI hierarchy ?

  The SAP error message /CUM/MSG534 indicates that there is an issue with the Configuration User Interface (CUI) hierarchy in your SAP system. Specifically, it means that there is more than one top-level Configuration User Interface (CUI) defined, which is not allowed.
  Cause:
  The error typically arises from one of the following scenarios:
  
  Multiple Top-Level CUIs: There are multiple CUIs defined at the top level of the hierarchy, which violates the expected structure where only one top-level CUI should exist.
  Incorrect Configuration: The configuration settings for CUIs may have been incorrectly set up, leading to multiple entries being recognized as top-level.
  Data Corruption: There may be some corruption or inconsistency in the CUI configuration data.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check CUI Configuration:
  
  Go to the CUI configuration transaction (usually SU01 or SPRO).
  Navigate to the CUI settings and review the hierarchy.
  Ensure that there is only one top-level CUI defined.
  
  
  
  Adjust the Hierarchy:
  
  If you find multiple top-level CUIs, you will need to adjust the hierarchy.
  You can either delete the extra top-level CUIs or reassign them to be sub-CUIs under a single top-level CUI.
  
  
  
  Consistency Check:
  
  Run a consistency check on the CUI configuration to identify any other potential issues.
  This can often be done through specific SAP transactions or reports designed for CUI management.
  
  
  
  Transport Requests:
  
  If the CUI configuration was recently transported from another system, ensure that the transport did not introduce inconsistencies.
  Review the transport logs for any errors or warnings related to CUI.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to CUI configuration for any specific guidelines or best practices.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the configuration, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  CUI (Configuration User Interface): This is a framework in SAP that allows users to customize the user interface of SAP applications.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), SPRO (Customizing), and others that may be used to manage CUIs.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the /CUM/MSG534 error and ensure that your CUI hierarchy is correctly configured.