How To Fix SWDP_WB_TOOL338 - Window & already contains a view set

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 338

• Message text: Window & already contains a view set

What causes this issue?

As navigation between the view sets is not possible, and it does not
make sense to embed several view sets in a window.

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

System Response

Creating several view sets in a window is therefore not supported.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL338 - Window & already contains a view set ?

  The SAP error message SWDP_WB_TOOL338 indicates that a particular window in the SAP Web Dynpro application already contains a view set. This typically occurs when there is an attempt to add a view set to a window that has already been defined with a view set.
  Cause:
  
  Duplicate View Set Assignment: The error usually arises when you try to assign a view set to a window that already has a view set assigned to it. In Web Dynpro, each window can only have one view set associated with it at a time.
  Configuration Issues: There may be issues in the configuration of the Web Dynpro application where the same view set is being referenced multiple times inadvertently.
  
  Solution:
  
  
  Check Window Configuration: 
  
  Go to the Web Dynpro component in the SAP Web Dynpro Workbench.
  Open the window that is causing the error.
  Verify if a view set is already assigned to the window. If it is, you need to either remove the existing view set or modify your design to avoid the conflict.
  
  
  
  Remove Duplicate Assignments:
  
  If you find that the window already has a view set, you can either remove the existing view set or change your design to use a different window or view set.
  
  
  
  Review Application Logic:
  
  Ensure that your application logic does not attempt to add the same view set multiple times. This may involve checking the controller logic or the navigation flow in your application.
  
  
  
  Rebuild the Application:
  
  After making changes, it may be necessary to rebuild the application to ensure that all changes are applied correctly.
  
  
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation for Web Dynpro for more details on how to manage view sets and windows.
  SAP Community: You can also check the SAP Community forums for similar issues and solutions shared by other developers.
  Debugging: If the issue persists, consider using debugging tools to trace the execution flow and identify where the duplicate assignment is occurring.
  
  By following these steps, you should be able to resolve the SWDP_WB_TOOL338 error and ensure that your Web Dynpro application functions correctly.