How To Fix WG039 - Error calling dispatcher

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 039

• Message text: Error calling dispatcher

What causes this issue?

An error occured in the dispatcher program.

System Response

No document was posted when calling this dispatcher.

How to fix this error?

INCLUDE ISR_SYSTEMFEHLER

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG039 - Error calling dispatcher ?

  SAP Error Message:
  
  WG039 - Error calling dispatcher
  
  Cause:
  The error message WG039 - Error calling dispatcher typically occurs in SAP when there is a problem with the workflow dispatcher. The dispatcher is responsible for managing workflow tasks and events. This error indicates that the workflow dispatcher could not be called or started properly.
  Common causes include:
  
  The workflow dispatcher is not running or has stopped unexpectedly.
  Communication issues between the workflow runtime and the dispatcher.
  System resource constraints or locks preventing the dispatcher from starting.
  Incorrect configuration or missing authorization for the workflow dispatcher.
  Problems with the SAP kernel or dispatcher processes.
  
  
  Solution:
  
  
  Check Workflow Dispatcher Status:
  
  Use transaction SWU3 (Automatic Workflow Customizing) to check the workflow configuration.
  Use transaction SWI1 or SWI2_FREQ to monitor workflow tasks and dispatcher status.
  Check if the workflow dispatcher is active by running the report RSWUWFML or checking the job logs.
  
  
  
  Restart Workflow Dispatcher:
  
  Sometimes, restarting the workflow dispatcher resolves the issue.
  You can restart the dispatcher by stopping and starting the SAP system or by restarting the relevant work processes.
  Alternatively, use transaction SM50 or SM66 to check and manage work processes.
  
  
  
  Check System Logs:
  
  Use transaction SM21 to check system logs for any related errors or warnings.
  Look for any kernel or dispatcher-related errors.
  
  
  
  Check Authorizations:
  
  Ensure that the user running the workflow dispatcher has the necessary authorizations.
  Check roles and profiles assigned to the user.
  
  
  
  Check for Locks or Resource Issues:
  
  Use transaction SM12 to check for locked entries that might block the dispatcher.
  Check system resources (memory, CPU) to ensure the system is not overloaded.
  
  
  
  Apply SAP Notes:
  
  Search the SAP Support Portal for notes related to WG039 or workflow dispatcher errors.
  Apply any relevant patches or corrections.
  
  
  
  Check Workflow Configuration:
  
  Verify that the workflow configuration is correct and consistent.
  Use transaction SWU3 to run the workflow customizing check.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWU3 - Automatic Workflow Customizing
  SWI1 - Workflow Log
  SWI2_FREQ - Workflow Runtime Analysis
  SM50 - Work Process Overview
  SM66 - Global Work Process Overview
  SM21 - System Log
  SM12 - Lock Entries
  
  
  
  Reports:
  
  RSWUWFML - Workflow Dispatcher Monitor
  
  
  
  SAP Notes:
  
  Check SAP Notes related to workflow dispatcher errors, e.g., notes about workflow runtime errors or dispatcher failures.
  
  
  
  Additional Tips:
  
  Ensure that the SAP kernel is up to date.
  Check for any recent changes or transports that might have affected workflow configuration.
  If the problem persists, consider raising a support ticket with SAP, providing logs and system details.
  
  
  
  
  If you provide more context (e.g., when the error occurs, system version), I can help with more specific guidance.