How To Fix SWF_RUN812 - External process: Status transfer from &1 to &2 is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RUN - Workflow Runtime System

• Message number: 812

• Message text: External process: Status transfer from &1 to &2 is not possible

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_RUN812 - External process: Status transfer from &1 to &2 is not possible ?

  The SAP error message SWF_RUN812 indicates that there is an issue with the status transfer of a workflow process. Specifically, it means that the system is unable to change the status of a workflow from one state (&1) to another (&2). This can occur for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  
  Invalid Status Transition: The status transition you are trying to perform may not be valid according to the workflow definition. Each workflow has defined paths and statuses, and attempting to move from one status to another that is not allowed can trigger this error.
  
  
  Workflow Configuration Issues: There may be issues in the workflow configuration or definition that prevent the status change. This could include missing or incorrect settings in the workflow template.
  
  
  Authorization Issues: The user or process attempting to perform the status change may not have the necessary authorizations to do so.
  
  
  Technical Issues: There could be underlying technical issues, such as database locks, inconsistencies in the workflow instance, or problems with the workflow runtime environment.
  
  
  Custom Code: If there is custom code involved in the workflow process, it may not be handling status changes correctly.
  
  
  Solutions:
  
  
  Check Workflow Definition: Review the workflow definition to ensure that the status transition you are trying to perform is valid. You can do this by checking the workflow template in transaction SWDD (Workflow Builder).
  
  
  Review Workflow Logs: Use transaction SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Overview) to check the logs for the specific workflow instance. This can provide insights into what went wrong.
  
  
  Authorization Check: Ensure that the user or process has the necessary authorizations to perform the status change. You can check this in transaction SU53 (Authorization Check).
  
  
  Debugging: If you suspect that custom code is involved, you may need to debug the workflow to identify where the issue is occurring. Use transaction SWI1 to find the work item and then debug the relevant code.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the workflow instance and any relevant logs.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWDD: Workflow Builder
  SWI1: Work Item Selection
  SWI2_FREQ: Work Item Overview
  SU53: Authorization Check
  
  
  
  SAP Notes: Regularly check for updates and notes related to workflow issues in the SAP Support Portal.
  
  
  Documentation: Review SAP documentation on workflows for best practices and troubleshooting tips.
  
  
  By following these steps, you should be able to identify the cause of the SWF_RUN812 error and implement a suitable solution.