How To Fix SWN081 - XML serialization failed. Error text: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SWN - WF Notif: Messages

• Message number: 081

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWN081 - XML serialization failed. Error text: &1 ?

  The SAP error message SWN081, which indicates that "XML serialization failed," typically occurs in the context of the SAP Workflow Notification (SWN) framework. This error can arise due to various reasons, often related to issues with the data being serialized into XML format for notifications.
  Causes:
  
  Invalid Characters: The data being serialized may contain invalid XML characters or special characters that cannot be processed correctly.
  Data Length: The data being serialized might exceed the maximum length allowed for XML elements.
  Data Structure: The structure of the data being serialized may not conform to the expected XML schema.
  Configuration Issues: There may be misconfigurations in the workflow or notification settings.
  System Issues: There could be underlying issues with the SAP system, such as memory problems or bugs in the software.
  
  Solutions:
  
  Check Data for Invalid Characters: Review the data being sent in the notification for any invalid XML characters (e.g., control characters) and sanitize the input.
  Review Data Length: Ensure that the data being serialized does not exceed the maximum length for XML elements. If necessary, truncate or split the data.
  Validate Data Structure: Ensure that the data structure conforms to the expected XML schema. This may involve checking the workflow definitions and ensuring that all required fields are populated correctly.
  Configuration Review: Check the configuration settings for the workflow and notification settings in transaction SWN1. Ensure that all settings are correct and that the necessary parameters are set.
  Debugging: If the issue persists, consider debugging the workflow to identify the exact point of failure. You can use transaction SWI1 to analyze the workflow instances and see where the error occurs.
  Check SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that may resolve known issues.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the failure.
  
  Related Information:
  
  Transaction Codes: 
  
  SWN1: Workflow Notification Configuration
  SWI1: Workflow Overview
  SLG1: Application Log
  
  
  SAP Notes: Search the SAP Support Portal for notes related to SWN081 or XML serialization issues.
  Documentation: Review SAP documentation on workflow notifications and XML serialization for best practices and troubleshooting tips.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.