How To Fix SWFWSC106 - Error in the launch handler

SAP Error Message - Details

• Message type: E = Error

• Message class: SWFWSC - Web Service in the Workflow: Client Functions

• Message number: 106

• Message text: Error in the launch handler

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWFWSC106 - Error in the launch handler ?

  The SAP error message SWFWSC106, which indicates "Error in the launch handler," typically occurs in the context of the SAP Workflow system. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes:
  
  
  Configuration Issues: Incorrect configuration of the workflow or the launch handler can lead to this error. This includes issues with the workflow definition or the associated event triggers.
  
  
  Authorization Problems: The user executing the workflow may not have the necessary authorizations to perform the actions required by the workflow.
  
  
  Missing or Inactive Workflow: The workflow that is being called may not exist, or it may be inactive in the system.
  
  
  Technical Errors: There could be underlying technical issues, such as problems with the underlying database or application server.
  
  
  Incorrect Parameters: The parameters passed to the workflow might be incorrect or incomplete, leading to failures in the launch handler.
  
  
  Solutions:
  
  
  Check Workflow Configuration: Review the workflow configuration in transaction SWDD (Workflow Builder) to ensure that it is correctly set up and active.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the workflow. You can check this in transaction SU53 (Authorization Check) after the error occurs.
  
  
  Validate Workflow Existence: Use transaction SWI1 (Work Item Selection) to check if the workflow exists and is active. If it is inactive, you may need to activate it.
  
  
  Examine Workflow Logs: Check the workflow logs for more detailed error messages. You can do this in transaction SWI2_DIAG to diagnose the workflow instance.
  
  
  Debugging: If the issue persists, consider debugging the workflow to identify where the error occurs. You can set breakpoints in the relevant ABAP code if you have access.
  
  
  Check Parameters: Ensure that all parameters required for the workflow are being passed correctly. This includes checking the event that triggers the workflow.
  
  
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWDD (Workflow Builder), SWI1 (Work Item Selection), and SWI2_DIAG (Workflow Diagnosis).
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review SAP documentation related to workflows and error handling for more in-depth understanding and best practices.
  
  By following these steps, you should be able to identify the cause of the SWFWSC106 error and implement a suitable solution. If the problem persists, consider reaching out to SAP support for further assistance.