How To Fix WL186 - Error processing a generic decision dialog

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 186

• Message text: Error processing a generic decision dialog

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL186 - Error processing a generic decision dialog ?

  The SAP error message WL186, which states "Error processing a generic decision dialog," typically occurs in the context of workflow processing within SAP systems. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of WL186 Error
  
  
  Workflow Configuration Issues: There may be misconfigurations in the workflow definition or the decision task that is being processed.
  
  
  Authorization Problems: The user executing the workflow may not have the necessary authorizations to perform the action required by the decision dialog.
  
  
  Data Issues: The data being processed in the workflow might be incomplete or incorrect, leading to errors when the system tries to render the decision dialog.
  
  
  System Performance: If the system is under heavy load or if there are performance issues, it may lead to timeouts or failures in processing the dialog.
  
  
  Custom Code Errors: If there are custom enhancements or modifications in the workflow, errors in the custom code can lead to this message.
  
  
  Missing or Incorrectly Defined Decision Steps: If the decision steps in the workflow are not properly defined or are missing, it can lead to this error.
  
  
  Solutions to WL186 Error
  
  
  Check Workflow Configuration: Review the workflow definition and ensure that all steps, including decision steps, are correctly configured. Validate the workflow template and its associated tasks.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the workflow and make decisions. Check the roles and profiles assigned to the user.
  
  
  Validate Data: Check the data being processed in the workflow. Ensure that all required fields are populated and that the data is valid.
  
  
  Monitor System Performance: Check the system performance and logs for any indications of issues. If the system is slow, consider optimizing performance or checking for background jobs that may be affecting it.
  
  
  Debug Custom Code: If there are custom enhancements, debug the code to identify any issues that may be causing the error. Look for exceptions or errors in the custom logic.
  
  
  Check for Workflow Logs: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Overview) to check the logs for more detailed error messages related to the workflow.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Recreate the Workflow: If the issue persists and cannot be resolved, consider recreating the workflow or the specific decision task to ensure that it is set up correctly.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1, SWI2, SWU3 (to check workflow settings), and SWF_VISU (to visualize workflows).
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have encountered similar issues.
  Documentation: Refer to SAP documentation for workflows and decision tasks for best practices and configuration guidelines.
  
  By following these steps, you should be able to identify the root cause of the WL186 error and implement an appropriate solution.