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How To Fix SWN079 - XML deserialization failed. Error text: &1


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SWN - WF Notif: Messages

  • Message number: 079

  • Message text: XML deserialization failed. Error text: &1

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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 SWN079 - XML deserialization failed. Error text: &1 ?

    The SAP error message SWN079 indicates that there is an issue with XML deserialization, which typically occurs when the system is trying to process XML data but encounters a problem with the format or content of the XML. This error is often related to the SAP Workflow Notification (SWN) functionality, which is used to send notifications to users.

    Causes:

    1. Malformed XML: The XML data being processed may be incorrectly formatted or contain invalid characters.
    2. Data Type Mismatch: The data types in the XML do not match the expected types in the SAP system.
    3. Encoding Issues: There may be issues with character encoding, especially if special characters are involved.
    4. Configuration Issues: Incorrect configuration settings in the workflow or notification settings can lead to this error.
    5. Version Mismatch: If there are discrepancies between the versions of the components involved in processing the XML, it may lead to deserialization failures.

    Solutions:

    1. Check XML Format: Validate the XML structure to ensure it is well-formed. You can use XML validation tools to check for errors.
    2. Review Data Types: Ensure that the data types in the XML match the expected types in the SAP system. This may involve checking the workflow definitions and the data being sent.
    3. Encoding Verification: Make sure that the XML is encoded correctly, especially if it contains special characters. UTF-8 is commonly used.
    4. Configuration Review: Check the configuration settings for the workflow and notification settings in SAP. Ensure that all necessary parameters are correctly set.
    5. Debugging: If possible, enable debugging for the workflow or notification process to get more detailed error messages that can help identify the root cause.
    6. SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.

    Related Information:

    • Transaction Codes: You may want to use transaction codes like SWN1 (for workflow notifications) to check the configuration and settings.
    • SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
    • Documentation: Review the official SAP documentation related to workflow and notifications for best practices and troubleshooting steps.

    If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.

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