How To Fix UJ0_EXCEPTION123 - Failed to create hierarchy &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UJ0_EXCEPTION - Basic Exception Messages

• Message number: 123

• Message text: Failed to create hierarchy &1

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 UJ0_EXCEPTION123 - Failed to create hierarchy &1 ?

  The SAP error message UJ0_EXCEPTION123, which indicates "Failed to create hierarchy &1," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with creating a hierarchy in a data model or InfoObject. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data that prevent the hierarchy from being created.
  Missing Master Data: The required master data for the hierarchy might be missing or not properly loaded.
  Incorrect Hierarchy Structure: The hierarchy structure defined may not be valid or may violate certain constraints.
  Authorization Issues: The user may not have the necessary authorizations to create or modify hierarchies.
  Technical Issues: There could be underlying technical issues, such as database locks or system performance problems.
  
  Solutions:
  
  Check Master Data: Ensure that all necessary master data is loaded and available. You can check the master data in the relevant InfoObject.
  Validate Hierarchy Structure: Review the hierarchy structure you are trying to create. Make sure it adheres to the required format and constraints.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong.
  Authorization Check: Verify that the user has the necessary authorizations to create or modify hierarchies. This can be done through transaction SU53 or by checking roles and authorizations.
  Reprocess Data: If there are inconsistencies, consider reprocessing the data or performing a data consistency check.
  System Performance: If the issue is related to system performance, consider checking for locks or performance bottlenecks in the system.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like RSA1 (Data Warehousing Workbench) to manage InfoObjects and hierarchies.
  SAP Notes: Check SAP Notes related to this error message for any patches or updates that may address the issue.
  Documentation: Refer to SAP Help documentation for detailed information on creating hierarchies and managing master data.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation or to reach out to SAP support for assistance.