How To Fix CX_WDK_CONTROLLER301 - Visibility of label &1 not bound

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 301

• Message text: Visibility of label &1 not bound

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CX_WDK_CONTROLLER301 - Visibility of label &1 not bound ?

  The SAP error message CX_WDK_CONTROLLER301 with the description "Visibility of label &1 not bound" typically occurs in the context of SAP Web Dynpro applications. This error indicates that there is an issue with the visibility property of a UI element (in this case, a label) that has not been properly bound to a data source or context node.
  Cause:
  
  Unbound UI Element: The label's visibility property is not bound to a context attribute or is incorrectly configured.
  Context Node Issues: The context node that should provide the visibility information may not be correctly defined or may not contain the expected data.
  Data Binding Errors: There may be issues with the data binding configuration in the Web Dynpro component, leading to the label not being able to determine its visibility.
  
  Solution:
  
  
  Check Data Binding:
  
  Open the Web Dynpro component in the SAP Web Dynpro Workbench.
  Navigate to the view where the label is defined.
  Ensure that the visibility property of the label is correctly bound to a context attribute that determines its visibility.
  
  
  
  Verify Context Node:
  
  Check the context node associated with the label.
  Ensure that the context node is correctly defined and that it contains the necessary attributes for visibility.
  
  
  
  Adjust Visibility Logic:
  
  If the visibility of the label is conditional, ensure that the logic used to determine its visibility is correctly implemented in the associated controller methods.
  
  
  
  Debugging:
  
  Use the debugging tools in SAP to trace the execution and see if the context node is populated as expected.
  Check for any runtime errors that may prevent the context from being filled.
  
  
  
  Rebuild the Component:
  
  If changes have been made to the context or UI elements, consider rebuilding the Web Dynpro component to ensure that all bindings are refreshed.
  
  
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation for Web Dynpro to understand how data binding and context management work.
  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.
  
  By following these steps, you should be able to resolve the CX_WDK_CONTROLLER301 error and ensure that the visibility of the label is correctly managed in your Web Dynpro application.