How To Fix CX_WDK_APPNAV003 - Value of obligatory target parameter &1 is initial.

SAP Error Message - Details

• Message type: E = Error

• Message class: CX_WDK_APPNAV - Messages of Generic Application Navigation

• Message number: 003

• Message text: Value of obligatory target parameter &1 is initial.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CX_WDK_APPNAV003 - Value of obligatory target parameter &1 is initial. ?

  The SAP error message CX_WDK_APPNAV003 with the description "Value of obligatory target parameter &1 is initial" typically occurs in the context of SAP Web Dynpro applications. This error indicates that a required parameter (denoted by &1) is not being passed or is empty when navigating to a target view or component.
  Cause:
  
  Missing Parameter: The most common cause is that a required parameter is not being provided when calling a Web Dynpro application or navigating to a specific view.
  Incorrect Configuration: The navigation configuration might be incorrect, leading to the application expecting a parameter that is not being supplied.
  Data Binding Issues: If the parameter is supposed to be bound to a data source, there might be issues with the data binding or the data source itself.
  User Input: If the parameter is supposed to be filled by user input, the user may not have provided the necessary information.
  
  Solution:
  
  Check Navigation Parameters: Review the navigation logic in your Web Dynpro application. Ensure that all required parameters are being passed correctly when navigating to the target view.
  Review Component Configuration: Check the configuration of the Web Dynpro component to ensure that all obligatory parameters are defined and correctly set up.
  Debugging: Use the debugging tools in SAP to trace the execution and see where the parameter is expected but not provided. This can help identify the exact point of failure.
  User Input Validation: If the parameter is based on user input, ensure that there is proper validation in place to check that the input is provided before proceeding with navigation.
  Default Values: If applicable, consider setting default values for parameters that can be used when no user input is provided.
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation for Web Dynpro to understand how parameters are handled and how to configure navigation properly.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with the SAP community forums or SAP support for additional insights or similar cases encountered by other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.