How To Fix RSD_TREX405 - BWA returned an error for index &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 405

• Message text: BWA returned an error for index &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 RSD_TREX405 - BWA returned an error for index &1 ?

  The SAP error message RSD_TREX405 indicates that there is an issue with the Business Warehouse Accelerator (BWA) related to a specific index. This error typically occurs when the BWA cannot process a request due to problems with the index specified in the error message.
  Causes:
  
  Index Corruption: The index may be corrupted or not properly built, which can happen due to system crashes, incomplete updates, or other issues.
  Inconsistent Data: There may be inconsistencies in the data that the index is trying to process.
  Configuration Issues: Incorrect configuration settings for the BWA or the BW system can lead to this error.
  Resource Limitations: Insufficient system resources (like memory or disk space) can prevent the BWA from functioning correctly.
  Version Compatibility: There may be compatibility issues between the BW version and the BWA version.
  
  Solutions:
  
  
  Rebuild the Index: The most common solution is to rebuild the index that is causing the error. This can be done through the SAP BW administration tools.
  
  Go to the BWA administration transaction (e.g., RSA1) and find the index.
  Select the index and choose the option to rebuild it.
  
  
  
  Check for Data Consistency: Ensure that the data in the underlying InfoProvider is consistent and that there are no issues with the data itself.
  
  Run data consistency checks in the BW system.
  
  
  
  Review Configuration Settings: Check the configuration settings for both the BW and BWA systems to ensure they are set up correctly.
  
  Verify the connection settings and ensure that the BWA is properly integrated with the BW system.
  
  
  
  Monitor System Resources: Check the system resources to ensure that there is enough memory and disk space available for the BWA to operate.
  
  Use system monitoring tools to identify any resource bottlenecks.
  
  
  
  Update Software: Ensure that both the BW and BWA systems are running compatible versions. If necessary, apply patches or updates to resolve compatibility issues.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) and RSD1 (InfoObject Maintenance).
  SAP Community: Engage with the SAP Community forums for additional insights and shared experiences from other users who may have encountered the same issue.
  Documentation: Review the official SAP documentation for BWA and BW for best practices and troubleshooting steps.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.