How To Fix WD484 - Object type '&', method '&' not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 484

• Message text: Object type '&', method '&' not defined

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 WD484 - Object type '&', method '&' not defined ?

  The SAP error message:
  WD484 Object type '&', method '&' not defined
  typically occurs in the context of Web Dynpro ABAP development.
  
  Cause
  This error means that the Web Dynpro runtime is trying to call a method on an object type, but either:
  
  The object type (class or interface) is not defined or not found.
  The method being called does not exist in the specified object type.
  There is a mismatch or typo in the object type or method name.
  The Web Dynpro component or its metadata is inconsistent or corrupted.
  The component or class has not been properly activated or transported.
  
  The placeholders & in the message are replaced at runtime with the actual object type and method names.
  
  Typical Scenarios
  
  Calling a method on a Web Dynpro component controller, component usage, or context node that does not exist.
  Using an outdated or inconsistent version of a Web Dynpro component.
  Incorrectly generated or missing proxy classes.
  Issues after transport or system upgrade where some objects are missing or not activated.
  
  
  Solution
  
  
  Check the Object Type and Method Names
  
  Identify the actual object type and method names from the message or debugging.
  Verify that the method exists in the class/interface definition (SE24).
  Check spelling and case sensitivity.
  
  
  
  Activate the Web Dynpro Component and Related Objects
  
  Go to SE80 or SE24 and activate the Web Dynpro component, component controller, and all related classes.
  Sometimes reactivation solves inconsistencies.
  
  
  
  Check Component Usage and Interfaces
  
  Verify that all component usages are correctly defined and activated.
  Check if the method is part of an interface that the component implements.
  
  
  
  Regenerate or Reimport Proxies
  
  If the method belongs to a proxy class, regenerate the proxy.
  
  
  
  Check Transport and System Consistency
  
  Ensure all related objects have been transported and activated in the target system.
  If the error appeared after a transport, re-import or re-activate the transport.
  
  
  
  Debugging
  
  Use the debugger to find where the method call is made.
  Check the runtime values of the object type and method name.
  
  
  
  SAP Notes and Patches
  
  Search for SAP Notes related to WD484 for your SAP version.
  Apply relevant patches or support packages if the issue is caused by a known bug.
  
  
  
  
  Related Information
  
  Transaction SE80: Web Dynpro component development and activation.
  Transaction SE24: Class builder to check methods and interfaces.
  Web Dynpro ABAP documentation: For understanding component usage and method calls.
  SAP Notes related to Web Dynpro errors, e.g., search for "WD484" on SAP Support Portal.
  Common SAP forums and community posts where similar issues are discussed.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Method or object type not defined or missing in Web Dynpro component or class.
  
  
  Solution
  Verify method and object type, activate components, check transports, regenerate proxies.
  
  
  Related
  SE80, SE24, SAP Notes, Web Dynpro ABAP documentation, debugging tools.
  
  
  
  
  If you provide the actual object type and method names from the error message, I can help you with more specific guidance.