How To Fix UJA_EXCEPTION105 - Failed to read hierarchy &1 of &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 105

• Message text: Failed to read hierarchy &1 of &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION105 - Failed to read hierarchy &1 of &2 ?

  The SAP error message UJA_EXCEPTION105 indicates that there was a failure in reading a hierarchy, specifically related to the hierarchy object identified by &1 of the application identified by &2. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when dealing with hierarchies in InfoObjects or when executing queries that involve hierarchical data.
  Causes:
  
  Missing Hierarchy: The specified hierarchy might not exist in the system or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the hierarchy.
  Data Model Issues: There could be inconsistencies or issues in the data model, such as incorrect settings or missing data.
  Transport Issues: If the hierarchy was recently transported from another system, there may have been issues during the transport process.
  System Performance: Sometimes, performance issues or timeouts can lead to failures in reading hierarchies.
  
  Solutions:
  
  Check Hierarchy Existence: Verify that the hierarchy specified in the error message exists in the system. You can do this by navigating to the relevant InfoObject in the SAP BW modeling tools.
  Review Authorizations: Ensure that the user executing the query or accessing the hierarchy has the necessary authorizations. Check the roles and profiles assigned to the user.
  Validate Data Model: Check the data model for any inconsistencies. This includes verifying the settings of the InfoObject and ensuring that all necessary data is loaded correctly.
  Recreate Hierarchy: If the hierarchy is missing or corrupted, consider recreating it. This may involve reloading data or redefining the hierarchy structure.
  Check Transport Logs: If the hierarchy was recently transported, review the transport logs for any errors or warnings that may indicate issues during the transport process.
  System Performance: If performance issues are suspected, consider optimizing the system or checking for any long-running processes that may be affecting performance.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to check InfoObjects and hierarchies.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error.
  Logs and Traces: Check system logs (transaction SM21) and application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  
  If the issue 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.