How To Fix RSD_TREX402 - Internal ABAP error

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 402

• Message text: Internal ABAP error

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_TREX402 - Internal ABAP error ?

  The SAP error message RSD_TREX402, which indicates an "Internal ABAP error," typically arises in the context of SAP BW (Business Warehouse) when there are issues related to the underlying data retrieval or processing in the TREX (Text Retrieval and Extraction) engine. This error can occur due to various reasons, including configuration issues, data inconsistencies, or problems with the TREX system itself.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or corrupted data records.
  Configuration Issues: Incorrect configuration settings in the BW system or TREX settings can lead to this error.
  TREX System Issues: The TREX system may not be functioning correctly due to service interruptions, outdated components, or other technical problems.
  ABAP Code Issues: There may be bugs or issues in the custom ABAP code that interacts with the TREX engine.
  Memory Issues: Insufficient memory allocation for the TREX engine can also lead to internal errors.
  
  Solutions:
  
  Check Data Consistency: Verify the data in the InfoProviders and ensure that there are no inconsistencies or missing records. You can use transaction codes like RSA1 to check the data.
  Review Configuration: Ensure that the TREX configuration is correct. Check the settings in the SAP BW system and ensure that the TREX server is properly configured.
  Restart TREX Services: Sometimes, simply restarting the TREX services can resolve temporary issues. You can do this through the SAP Basis team or using the TREX administration tools.
  Check for Updates: Ensure that your SAP system and TREX components are up to date with the latest patches and updates. This can help resolve known bugs.
  Analyze ABAP Code: If there is custom ABAP code involved, review it for any potential issues or bugs that could be causing the error.
  Monitor System Resources: Check the system resources (CPU, memory) to ensure that the TREX engine has sufficient resources to operate effectively.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) and RSCUSTV10 (to check TREX settings) for troubleshooting.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  Logs and Traces: Check the system logs (SM21) and the developer traces (ST22) for more detailed error messages that can provide insights into the root cause of the issue.
  
  By following these steps, you should be able to diagnose and potentially resolve the RSD_TREX402 error in your SAP BW environment.