How To Fix WD073 - Property must be unique

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 073

• Message text: Property must be unique

Self-Explanatory Message

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• What is the cause and solution for SAP error message WD073 - Property must be unique ?

  Certainly! Here's a detailed explanation for the SAP error message WD073: Property must be unique:
  
  SAP Error Message: WD073 - Property must be unique
  
  Cause:
  The error WD073 occurs in the Web Dynpro ABAP environment when you try to define or assign a property (attribute) in a context node or UI element that is not unique. In other words, the property name you are trying to use already exists in the same scope, and SAP requires that each property name within a given context or UI element be unique.
  This typically happens when:
  
  You accidentally create two context attributes with the same name in a Web Dynpro component.
  You assign the same property name to multiple UI elements or context nodes.
  You try to redefine or reuse a property name that is already reserved or used in the component.
  
  
  Solution:
  To resolve the WD073 error, follow these steps:
  
  
  Check Context Attributes:
  
  Open the Web Dynpro component in the Web Dynpro Explorer.
  Navigate to the context tab of the component or the specific controller.
  Verify that all context attributes have unique names.
  Rename any duplicate attributes to unique names.
  
  
  
  Check UI Element Properties:
  
  Inspect the properties of UI elements in the layout.
  Ensure that no two UI elements are bound to the same property name if uniqueness is required.
  Rename or remove duplicate property assignments.
  
  
  
  Check Component Interfaces and Inheritance:
  
  If your component inherits from another or uses component interfaces, ensure that property names do not clash.
  Rename properties in your component or interface to avoid duplicates.
  
  
  
  Clean and Rebuild:
  
  After making changes, clean and activate the component.
  Sometimes, inconsistencies in the metadata can cause this error, so a clean rebuild helps.
  
  
  
  
  Additional Information:
  
  Context in Web Dynpro: The context is a hierarchical data structure used to store and manage data in Web Dynpro applications. Each node and attribute must have a unique name within its scope.
  Property Uniqueness: SAP enforces uniqueness to avoid ambiguity in data binding and event handling.
  Error Location: The error message usually appears during activation or runtime when the Web Dynpro framework detects duplicate property names.
  Related Transactions/Tools: Use the Web Dynpro Explorer (SE80) or the Web Dynpro ABAP development tools in Eclipse to manage and inspect context and UI elements.
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Duplicate property name in Web Dynpro context or UI elements; property names must be unique.
  
  
  Solution
  Rename duplicate properties to ensure uniqueness; check context attributes and UI bindings.
  
  
  Related Info
  Occurs in Web Dynpro ABAP; use SE80 or Eclipse Web Dynpro tools to inspect and fix.
  
  
  
  
  If you provide the exact scenario or code snippet where the error occurs, I can help you with a more specific solution.