How To Fix SWDP_WB_TOOL295 - Configuration controller & cannot use other controllers

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 295

• Message text: Configuration controller & cannot use other controllers

What causes this issue?

A customer controller that is set as a configuration controller may not
use any other components or controllers.

System Response

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

How to fix this error?

Delete all controller usages for &V1& or remove them using attribute
<SE>Configuration controller</> for &V1&. .

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_TOOL295 - Configuration controller & cannot use other controllers ?

  The SAP error message SWDP_WB_TOOL295 typically indicates an issue related to the configuration of the Web Dynpro application or the Web Dynpro component in the SAP system. This error often arises when there is a conflict or misconfiguration in the controller settings of a Web Dynpro application.
  Cause:
  
  Controller Configuration: The error usually occurs when the configuration controller is not set up correctly or when there is an attempt to use a different controller than the one specified in the configuration.
  Inconsistent Controller Usage: If the application is trying to use multiple controllers that are not compatible or not properly defined, this can lead to this error.
  Development Environment Issues: Sometimes, issues in the development environment, such as missing dependencies or incorrect references, can trigger this error.
  
  Solution:
  
  
  Check Controller Configuration:
  
  Ensure that the configuration controller is correctly defined in the Web Dynpro application.
  Verify that the controller you are trying to use is the one specified in the configuration.
  
  
  
  Review Component Usage:
  
  Make sure that the Web Dynpro component is using the correct controller and that there are no conflicting controllers being referenced.
  If you are using a custom controller, ensure that it is properly implemented and does not conflict with the configuration controller.
  
  
  
  Rebuild the Application:
  
  Sometimes, simply rebuilding the Web Dynpro application can resolve configuration issues. Try to regenerate the application and check if the error persists.
  
  
  
  Check for Dependencies:
  
  Ensure that all necessary dependencies and references are correctly set up in the Web Dynpro application. Missing dependencies can lead to configuration issues.
  
  
  
  Debugging:
  
  Use the debugging tools available in the SAP environment to trace the execution and identify where the error is occurring. This can provide insights into what might be misconfigured.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for Web Dynpro to ensure that you are following best practices for controller configuration.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Related Information:
  
  Web Dynpro Documentation: Familiarize yourself with the Web Dynpro programming model and best practices for controller management.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you have access to SAP support, consider opening a support ticket for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the SWDP_WB_TOOL295 error in your SAP environment.