How To Fix SWF_HTTP020 - Message part &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_HTTP - Web Services in the Workflow: Server Functions

• Message number: 020

• Message text: Message part &1 does not exist

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 SWF_HTTP020 - Message part &1 does not exist ?

  The SAP error message SWF_HTTP020, which states "Message part &1 does not exist," typically occurs in the context of SAP Workflow or when dealing with HTTP communication in SAP systems. This error indicates that a specific message part that the system is trying to access or process is not available or does not exist.
  Causes:
  
  Missing Message Part: The specified message part (indicated by &1) is not defined in the workflow or the communication structure.
  Incorrect Configuration: There may be a misconfiguration in the workflow or the HTTP communication settings.
  Data Issues: The data being processed may not contain the expected message parts, possibly due to incomplete or incorrect data being sent or received.
  Version Mismatch: If there are different versions of the workflow or related components, it may lead to inconsistencies in the expected message parts.
  
  Solutions:
  
  
  Check Workflow Configuration:
  
  Review the workflow definition to ensure that all required message parts are correctly defined and available.
  Use transaction code SWDD (Workflow Builder) to check the workflow and its components.
  
  
  
  Validate Message Parts:
  
  Ensure that the message parts being referenced in the workflow or HTTP communication are correctly defined in the relevant message types or structures.
  Check the message type configuration in transaction code SO10 (Text Elements) or relevant transaction for message types.
  
  
  
  Debugging:
  
  Use transaction SWI1 (Work Item Selection) to analyze the work items and see if there are any issues with the specific work item that triggered the error.
  You can also use transaction SLG1 (Application Log) to check for any logs related to the error for more context.
  
  
  
  Data Validation:
  
  Ensure that the data being sent to the workflow or HTTP service contains all the necessary parts. If the data is coming from an external system, verify that the integration is correctly set up.
  
  
  
  Check for Updates:
  
  If you are using a specific version of SAP, check for any available patches or updates that might address known issues related to this error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of your SAP system for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other SAP-related discussion platforms for similar issues and solutions shared by other users.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the SWF_HTTP020 error and implement a solution to resolve it.