How To Fix WD185 - Node &: no longer in use

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 185

• Message text: Node &: no longer in use

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WD185 - Node &: no longer in use ?

  The SAP error message:
  WD185 Node &: no longer in use
  typically occurs in the context of Web Dynpro ABAP applications.
  
  Cause
  This error indicates that the Web Dynpro node (context node) referenced in the application is no longer valid or has been deleted/removed from the component/controller context. The node might have been:
  
  Removed or renamed in the Web Dynpro component/controller.
  The context structure has changed, but the application still tries to access the old node.
  The node is no longer part of the current context hierarchy at runtime.
  
  In other words, the application code or configuration is trying to access a context node that does not exist anymore.
  
  When does it occur?
  
  During runtime when the application tries to access or bind to a context node that has been deleted or renamed.
  After changes in the Web Dynpro component’s context structure without updating all references.
  When a component/controller is reused but the context nodes differ or have changed.
  
  
  Solution
  
  
  Check the context structure:
  
  Open the Web Dynpro component/controller in the Web Dynpro Explorer.
  Verify if the node mentioned in the error message still exists.
  If it was renamed or deleted, update the references accordingly.
  
  
  
  Update references:
  
  Search for all places where the node is accessed (e.g., in code, context mapping, UI element bindings).
  Correct the node name or remove references to the obsolete node.
  
  
  
  Regenerate and redeploy:
  
  After making changes, regenerate the Web Dynpro component.
  Redeploy and test the application.
  
  
  
  Check context mapping:
  
  If the node is part of a context mapping between components/controllers, verify that the mapping is still valid.
  
  
  
  Clear buffer and restart:
  
  Sometimes, stale metadata or buffer can cause this error.
  Clear the SAP buffer (transaction /IWFND/CACHE_CLEANUP for UI5 or use standard SAP buffer clearing transactions).
  Restart the application.
  
  
  
  
  Related Information
  
  SAP Note: Check for any SAP Notes related to WD185 errors for your specific SAP NetWeaver version.
  Web Dynpro Context: Understanding the context node structure is crucial. The context is a hierarchical data model used to bind UI elements and manage data.
  Debugging: Use the Web Dynpro debugger or add breakpoints in the code where the context node is accessed to identify the exact point of failure.
  Documentation: SAP Help Portal on Web Dynpro ABAP context nodes and context mapping.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Access to a context node that no longer exists or has been removed/renamed.
  
  
  Solution
  Verify and update context nodes, fix references, regenerate component, clear buffers.
  
  
  Related
  Web Dynpro context structure, context mapping, SAP Notes, debugging tools.
  
  
  
  
  If you provide the exact node name or the context of usage, I can help you with more specific guidance.