How To Fix RSD_TREX174 - Unknown attribute type &1 (BWA index &2, attribute &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 174

• Message text: Unknown attribute type &1 (BWA index &2, attribute &3)

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 RSD_TREX174 - Unknown attribute type &1 (BWA index &2, attribute &3) ?

  The SAP error message RSD_TREX174 indicates that there is an issue with an attribute type in the context of a BWA (Business Warehouse Accelerator) index. This error typically arises when the system encounters an attribute that it does not recognize or cannot process correctly.
  Cause:
  
  
  Unknown Attribute Type: The error suggests that the attribute type specified in the error message is not recognized by the BWA index. This could be due to:
  
  The attribute not being defined correctly in the data model.
  The attribute type being unsupported or incorrectly configured in the BWA index.
  A mismatch between the data model in SAP BW and the BWA index.
  
  
  
  Data Model Changes: If there have been recent changes to the data model (e.g., adding or modifying attributes), the BWA index may not have been updated accordingly.
  
  
  Version Compatibility: There may be compatibility issues between the versions of SAP BW and BWA being used.
  
  
  Solution:
  
  
  Check Attribute Definition: Verify the definition of the attribute in the data model. Ensure that it is correctly defined and that the data type is supported by BWA.
  
  
  Rebuild BWA Index: If the attribute has been modified or added, you may need to rebuild the BWA index. This can be done through the SAP BW administration tools:
  
  Go to the BWA administration transaction (e.g., RSA1).
  Navigate to the InfoProvider and select the BWA index.
  Choose the option to rebuild or refresh the index.
  
  
  
  Check for Updates: Ensure that both SAP BW and BWA are updated to the latest versions. Sometimes, updates include fixes for compatibility issues.
  
  
  Review Logs: Check the BWA logs for more detailed error messages that may provide additional context about the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to BWA and attribute types for any specific guidance or known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  BWA Documentation: Review the official SAP documentation for BWA to understand supported attribute types and configurations.
  Community Forums: Check SAP community forums or discussion boards for similar issues encountered by other users and their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the RSD_TREX174 error in your SAP environment.