How To Fix BSP_WD_TOOLS225 - Multiple usage of view '&' is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: BSP_WD_TOOLS - Messages for BSP WD Tools

• Message number: 225

• Message text: Multiple usage of view '&' is not allowed

What causes this issue?

Multiple windows, view sets, or view areas are assigned to view &V1&.
This is not allowed. Assignments must be unique.

System Response

The Runtime Repository contains errors and cannot be saved.

How to fix this error?

Remove all superfluous assignments.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BSP_WD_TOOLS225 - Multiple usage of view '&' is not allowed ?

  The SAP error message BSP_WD_TOOLS225 indicates that there is an issue with the usage of a view in a Web Dynpro application. Specifically, the error states that a view is being used multiple times in a way that is not allowed. This typically occurs when a view is instantiated more than once in a context where it should only be instantiated once.
  Cause:
  
  Multiple Instantiation: The most common cause of this error is that the same view is being referenced multiple times in the same context or component. In Web Dynpro, each view should be instantiated only once within a particular context.
  Incorrect Navigation: If you are trying to navigate to the same view from different places in your application without proper handling, it can lead to this error.
  Improper Configuration: Sometimes, the configuration of the Web Dynpro component might be incorrect, leading to multiple references to the same view.
  
  Solution:
  
  Check View Usage: Review the Web Dynpro component and ensure that the view in question is not being instantiated multiple times. You can do this by checking the component controller and the view controller for any duplicate references.
  Use Navigation: Instead of trying to instantiate the same view multiple times, consider using navigation to switch between views. This can be done using the navigate method to move to the desired view without creating a new instance.
  Refactor Code: If the view needs to be reused, consider refactoring your code to use a different approach, such as creating a new view that encapsulates the functionality of the original view or using a component that can be reused.
  Check Component Configuration: Ensure that the configuration of your Web Dynpro component is correct. Look for any settings that might lead to multiple instantiations of the same view.
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation on Web Dynpro for best practices on view management and instantiation.
  Debugging Tools: Use the debugging tools available in the SAP environment to trace the flow of your application and identify where the multiple instantiation is occurring.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the BSP_WD_TOOLS225 error and ensure that your Web Dynpro application functions correctly without multiple instantiations of the same view.