How To Fix WL320 - Workflow no. & not started: Runtime error?

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 320

• Message text: Workflow no. & not started: Runtime error?

What causes this issue?

Workflow no. &V1& should be started but has not (yet) started
successfully.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The cause of the problem may be one of the following:
Workflow start with wrong API function.
If the workflow was started with an API function, check whether the
correct API function SWW_WI_START was used. It is possible that the
workflow was only created with the API function SWW_WI_Create, but not
really started.
Error or termination starting workflow.
Analyze the messages in the technical step log for workflow no. &V4&
and the history of work item no. &V1&.
The SAP workflow system crashed when the background step was started.
Analyze the system log (<DS:TRAN.SM21>transaction SM21</>) or any
available dumps (<DS:TRAN.ST22>transaction ST22</>).
More information can be obtained from the diagnosis.
INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL320 - Workflow no. & not started: Runtime error? ?

  The SAP error message WL320 indicates that a workflow has not started due to a runtime error. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Missing or Incorrect Workflow Configuration: The workflow may not be properly configured, or there may be missing steps or conditions that prevent it from starting.
  Authorization Issues: The user or system may lack the necessary authorizations to execute the workflow.
  Runtime Errors in Workflow Steps: If there are errors in the workflow steps (e.g., function modules, methods), it can lead to a runtime error.
  Incorrect Workflow Template: The workflow template being used may be incorrect or not compatible with the current system settings.
  System Performance Issues: If the system is under heavy load, it may not be able to process the workflow request in a timely manner.
  Data Issues: The data being processed by the workflow may be incomplete or incorrect, leading to runtime errors.
  
  Solutions:
  
  Check Workflow Configuration: Review the workflow configuration in transaction SWDD (Workflow Builder) to ensure that all steps and conditions are correctly defined.
  Review Workflow Logs: Use transaction SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Overview) to check for any logs or error messages related to the workflow execution.
  Check Authorizations: Ensure that the user executing the workflow has the necessary authorizations. You can use transaction SU53 to analyze authorization issues.
  Debugging: If you suspect a specific step is causing the issue, you can debug the workflow by setting breakpoints in the relevant function modules or methods.
  Check for System Performance: Monitor system performance and check for any background jobs or processes that may be affecting workflow execution.
  Data Validation: Validate the data being processed by the workflow to ensure it meets all required criteria and is complete.
  
  Related Information:
  
  Transaction Codes:
  
  SWDD: Workflow Builder
  SWI1: Work Item Selection
  SWI2_FREQ: Work Item Overview
  SWU3: Automatic Workflow Customizing
  
  
  SAP Notes: Check SAP Notes related to workflow issues for any known bugs or fixes.
  Documentation: Refer to SAP Help documentation for workflows to understand the configuration and execution processes better.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or Workflow team for further assistance.