How To Fix SWFHTTP012 - No work item ID was passed to the callback handler

SAP Error Message - Details

• Message type: E = Error

• Message class: SWFHTTP - Messages for Handlers

• Message number: 012

• Message text: No work item ID was passed to the callback handler

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWFHTTP012 - No work item ID was passed to the callback handler ?

  The SAP error message SWFHTTP012 indicates that a work item ID was not passed to the callback handler in a workflow context. This error typically occurs in SAP Business Workflow scenarios when there is an issue with the way the workflow is being executed or when the callback handler is invoked without the necessary parameters.
  Cause:
  
  Missing Work Item ID: The most common cause is that the workflow is trying to process a callback without a valid work item ID. This can happen if the workflow is incorrectly configured or if there is a programming error in the callback handler.
  Incorrect Workflow Configuration: The workflow might not be set up correctly, leading to the absence of the work item ID when the callback is triggered.
  Custom Code Issues: If there is custom code involved in the workflow or callback handling, it may not be passing the work item ID correctly.
  System or Network Issues: Sometimes, system or network issues can lead to incomplete data being sent to the callback handler.
  
  Solution:
  
  Check Workflow Configuration: Review the workflow configuration to ensure that all necessary parameters, including the work item ID, are being passed correctly. Make sure that the workflow is designed to handle the callback appropriately.
  Debugging: If you have access to the development environment, you can debug the workflow and the callback handler to see where the work item ID is being lost or not passed.
  Review Custom Code: If there is any custom code involved, review it to ensure that it correctly retrieves and passes the work item ID to the callback handler.
  Error Handling: Implement error handling in the callback handler to manage cases where the work item ID is not available. This can help prevent the application from crashing and provide more informative error messages.
  Consult Documentation: Refer to SAP documentation for the specific version you are using to understand the expected behavior and parameters for the workflow and callback handler.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Workflow Logs: Review the workflow logs (transaction SWI1) to get more context about the workflow execution and identify where the issue might be occurring.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the cause of the SWFHTTP012 error and implement a solution to resolve it.