How To Fix ADT_WDY_COMMON003 - Window &1 already exists in component &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ADT_WDY_COMMON - Message Class for Webdynpro ABAP Resource Controllers

• Message number: 003

• Message text: Window &1 already exists in component &2

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 ADT_WDY_COMMON003 - Window &1 already exists in component &2 ?

  The SAP error message ADT_WDY_COMMON003 indicates that there is an attempt to create a window that already exists in the specified component. This error typically occurs in the context of SAP Web Dynpro applications, where each window must have a unique identifier within its component.
  Cause:
  The error is caused by one of the following scenarios:
  
  Duplicate Window Definition: You may have defined a window with the same name more than once within the same component.
  Incorrect Component Configuration: The component might be incorrectly configured, leading to conflicts in window definitions.
  Code Duplication: If you are programmatically creating windows in your code, there might be logic that attempts to create a window that already exists.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Window Definitions:
  
  Open the Web Dynpro component in the SAP Web Dynpro Workbench.
  Navigate to the "Windows" section and verify that each window has a unique name.
  If you find duplicate window names, rename or remove the duplicates.
  
  
  
  Review Component Configuration:
  
  Ensure that the component configuration does not reference the same window multiple times.
  Check the component's view and ensure that the window is not being instantiated more than once.
  
  
  
  Examine Code Logic:
  
  If you are dynamically creating windows in your code, review the logic to ensure that it checks for the existence of a window before attempting to create it.
  Implement checks to prevent the creation of a window if it already exists.
  
  
  
  Clear Cache:
  
  Sometimes, cached data can lead to unexpected behavior. Clear the cache of your SAP system and try again.
  
  
  
  Rebuild the Component:
  
  If the issue persists, consider rebuilding the component to ensure that all definitions are correctly compiled.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Web Dynpro to understand the architecture and best practices for defining components and windows.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Debugging Tools: Use debugging tools available in the SAP environment to trace the execution flow and identify where the duplicate window creation is happening.
  
  By following these steps, you should be able to resolve the ADT_WDY_COMMON003 error and ensure that your Web Dynpro application functions correctly.