How To Fix WL821 - Object '&1' method '&2' cannot be executed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 821

• Message text: Object '&1' method '&2' cannot be executed

What causes this issue?

The calling of the object method for the work item ended with a return
value for which no handling is modeled in the workflow.

System Response

The work item was forced into the error status.

How to fix this error?

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

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Procedure for System Administrators

Also check the binding between the task container and the method
container.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL821 - Object '&1' method '&2' cannot be executed ?

  The SAP error message WL821 indicates that there is an issue with executing a method of an object in the context of the SAP Web Application Server (WAS) or the Web Dynpro framework. The message typically appears when the system cannot execute a specified method of a specified object due to various reasons.
  Cause
  The error can be caused by several factors, including:
  
  Method Not Implemented: The method you are trying to call may not be implemented in the object.
  Access Restrictions: There may be access restrictions or authorization issues preventing the method from being executed.
  Incorrect Object or Method Name: The object or method name specified in the error message may be incorrect or misspelled.
  Object State: The object may not be in a valid state to execute the method (e.g., it may not be initialized properly).
  Configuration Issues: There may be configuration issues in the Web Dynpro application or the underlying business logic.
  
  Solution
  To resolve the WL821 error, you can take the following steps:
  
  
  Check Method Implementation: Verify that the method you are trying to call is implemented in the specified object. If it is not, you may need to implement it or use a different method.
  
  
  Verify Object and Method Names: Double-check the object and method names for any typos or incorrect references.
  
  
  Review Authorizations: Ensure that the user executing the method has the necessary authorizations to perform the action. You may need to check the role assignments and authorization objects.
  
  
  Inspect Object State: Make sure that the object is properly initialized and in a valid state before calling the method. You may need to add checks or error handling in your code.
  
  
  Debugging: Use debugging tools to trace the execution flow and identify where the error occurs. This can help you pinpoint the exact cause of the issue.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific object and method to understand any prerequisites or constraints.
  
  
  Check for Notes and Patches: Look for any SAP Notes or patches related to the error message. Sometimes, known issues are documented with recommended solutions.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for further assistance.
  
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional context.
  Web Dynpro Documentation: Review the official SAP documentation for Web Dynpro and the specific components you are working with.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the WL821 error in your SAP environment.