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How To Fix STREX518 - Preprocessor Node


SAP Error Message - Details

  • Message type: E = Error

  • Message class: STREX - Message for TREX ABAP Client

  • Message number: 518

  • Message text: Preprocessor Node

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  • 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.

    Unfortunately, there isn't any extra information in this error notice.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message STREX518 - Preprocessor Node ?

    The SAP error message STREX518 typically relates to issues encountered during the execution of a preprocessor node in the context of SAP BW (Business Warehouse) or SAP HANA. This error can occur for various reasons, often linked to data processing or transformation tasks.

    Cause:

    1. Data Type Mismatch: The error may arise if there is a mismatch in the expected data types during the transformation process.
    2. Missing Data: If the preprocessor node is trying to access data that is not available or is incomplete, it can trigger this error.
    3. Configuration Issues: Incorrect configuration of the data flow or transformation settings can lead to this error.
    4. Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may cause the preprocessor to fail.
    5. Incorrect Logic in Transformation: If there are errors in the logic defined in the transformation rules, it can lead to this error.

    Solution:

    1. Check Data Types: Ensure that the data types in the source and target are compatible. Adjust the transformation rules if necessary.
    2. Validate Data: Check the data being processed to ensure that it is complete and meets the expected criteria.
    3. Review Configuration: Go through the configuration of the data flow and transformation settings to ensure they are set up correctly.
    4. Monitor System Performance: Check the system performance and resource utilization. If the system is under heavy load, consider optimizing the process or scheduling it during off-peak hours.
    5. Debug Transformation Logic: Review the transformation logic for any errors or inconsistencies. Use the debugging tools available in SAP to trace the execution and identify the point of failure.

    Related Information:

    • SAP Notes: Check SAP Notes related to STREX518 for any specific patches or updates that may address known issues.
    • Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the data flow and transformations.
    • Logs and Traces: Review the logs and traces for more detailed error messages that can provide additional context for troubleshooting.
    • SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.

    If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support for further assistance.

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