How To Fix UJA_EXCEPTION311 - Failed to read hierarchy &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 311

• Message text: Failed to read hierarchy &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION311 - Failed to read hierarchy &1 ?

  The SAP error message UJA_EXCEPTION311: Failed to read hierarchy &1 typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with reading a hierarchy structure. This can happen for various reasons, including data inconsistencies, missing hierarchy definitions, or issues with the underlying data model.
  Causes:
  
  Missing Hierarchy: The specified hierarchy does not exist in the system or has been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the hierarchy.
  Data Inconsistencies: There may be inconsistencies in the data that prevent the hierarchy from being read correctly.
  Transport Issues: If the hierarchy was transported from one system to another, there may have been issues during the transport process.
  Incorrect Hierarchy ID: The hierarchy ID specified in the error message may be incorrect or malformed.
  
  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 hierarchy in the SAP BW modeling tools.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the hierarchy. This can be checked in the user roles and authorizations.
  Data Consistency Check: Run consistency checks on the data model to identify and resolve any inconsistencies. This can often be done using transaction codes like RSA1 (Data Warehousing Workbench).
  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, check the transport logs for any errors or warnings that may indicate issues during the transport process.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may require technical expertise in ABAP or BW development.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSRHIER (Hierarchy Maintenance), and others that may help in managing hierarchies.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to hierarchies in BW/BI for best practices and guidelines on managing hierarchies effectively.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW support team for further assistance.