How To Fix CX_WDK_CONTROLLER202 - ***********************************************************************

SAP Error Message - Details

• Message type: E = Error

• Message class: CX_WDK_CONTROLLER - FP/BE/BDC Controller Messages

• Message number: 202

• Message text: ***********************************************************************

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CX_WDK_CONTROLLER202 - *********************************************************************** ?

  The SAP error message CX_WDK_CONTROLLER202 typically indicates an issue related to the Web Dynpro ABAP application, specifically concerning the controller logic. This error can arise due to various reasons, such as incorrect data handling, issues with the application configuration, or problems with the underlying data model.
  Cause:
  
  Data Handling Issues: The error may occur if there is an attempt to access or manipulate data that is not available or is in an unexpected state.
  Configuration Problems: Incorrect configuration of the Web Dynpro application or its components can lead to this error.
  Model Binding Issues: If the data model is not correctly bound to the UI elements, it can result in this error.
  Runtime Exceptions: Any unhandled exceptions in the controller logic can trigger this error message.
  
  Solution:
  
  Check Data Availability: Ensure that the data being accessed by the controller is available and in the expected format.
  Review Configuration: Verify the configuration settings of the Web Dynpro application, including the view and component settings.
  Debugging: Use the debugging tools in SAP to trace the execution of the application and identify where the error occurs. Look for any unhandled exceptions or incorrect data manipulations.
  Model Binding: Ensure that the data model is correctly bound to the UI elements. Check the context nodes and attributes to ensure they are properly defined.
  Error Handling: Implement proper error handling in the controller logic to manage exceptions gracefully and provide meaningful feedback to the user.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Web Dynpro Documentation: Review the official SAP documentation for Web Dynpro ABAP to understand best practices for application development and error handling.
  Community Forums: Engage with the SAP community forums or SAP support for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.