How To Fix UJA_EXCEPTION189 - Read attribute '&2' of reference dimension '&1' failed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 189

• Message text: Read attribute '&2' of reference dimension '&1' failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION189 - Read attribute '&2' of reference dimension '&1' failed ?

  The SAP error message UJA_EXCEPTION189 indicates that there was a failure in reading an attribute of a reference dimension in the context of SAP BW (Business Warehouse) or SAP HANA. This error typically occurs during data loading or when trying to access certain attributes in a data model.
  Cause:
  The error can be caused by several factors, including:
  
  Missing or Incomplete Data: The attribute you are trying to read may not exist in the reference dimension or may not have been populated correctly.
  Data Model Issues: There may be inconsistencies or issues in the data model, such as incorrect mappings or relationships between dimensions.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the reference dimension or its attributes.
  Technical Issues: There could be technical problems with the underlying database or the SAP BW system itself, such as connectivity issues or corrupted data.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Integrity:
  
  Verify that the reference dimension (&1) and the attribute (&2) exist and are correctly defined in the data model.
  Ensure that the attribute is populated with valid data.
  
  
  
  Review Data Model:
  
  Check the mappings and relationships between the dimensions in your data model to ensure they are correctly set up.
  If you are using InfoObjects, ensure that they are correctly defined and activated.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the reference dimension and its attributes. You may need to consult with your SAP security team to verify this.
  
  
  
  Technical Troubleshooting:
  
  Check for any system logs or error messages that may provide additional context about the failure.
  If the issue persists, consider restarting the data load process or the SAP BW system to clear any temporary issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to the specific version of SAP BW or HANA you are using for any known issues or patches.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue with the above steps, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the SAP BW or HANA documentation for best practices in data modeling and troubleshooting.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.