How To Fix C_034 - Start conversion to external structures


SAP Error Message - Details

  • Message type: E = Error

  • Message class: C_ - CRM Integration Messages

  • Message number: 034

  • Message text: Start conversion to external structures

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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 C_034 - Start conversion to external structures ?

    The SAP error message C_034, which states "Start conversion to external structures," typically occurs during the process of converting internal data structures to external formats, such as when exporting data or interfacing with external systems. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the external system.

    Causes:

    1. Data Inconsistencies: The internal data structure may contain invalid or unexpected data that cannot be converted to the external format.
    2. Configuration Issues: Incorrect settings in the SAP system related to the data conversion process can lead to this error.
    3. Missing or Incorrect Mapping: If the mapping between internal and external structures is not defined correctly, the conversion may fail.
    4. Authorization Issues: Lack of necessary authorizations to access certain data or perform specific actions can trigger this error.
    5. Technical Issues: Bugs or issues in the SAP system or the specific transaction being executed can also lead to this error.

    Solutions:

    1. Check Data Integrity: Review the data being processed to ensure that it is valid and conforms to the expected format. Look for any anomalies or inconsistencies.
    2. Review Configuration Settings: Verify the configuration settings related to the conversion process. Ensure that all necessary parameters are correctly set.
    3. Mapping Verification: Check the mapping between internal and external structures to ensure that all fields are correctly defined and that there are no missing mappings.
    4. Authorization Check: Ensure that the user executing the transaction has the necessary authorizations to perform the conversion.
    5. Debugging: If the issue persists, consider using the SAP debugger to trace the execution of the program and identify where the error occurs.
    6. Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or process to see if there are known issues or additional troubleshooting steps.
    7. Contact SAP Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
    • Transaction Codes: Familiarize yourself with the transaction codes related to the process you are working on, as they may provide additional context or options for troubleshooting.
    • Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.

    By following these steps, you should be able to identify the cause of the C_034 error and implement a suitable solution.

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