How To Fix BSP_WD_SH013 - Model is missing attributes or child models

SAP Error Message - Details

• Message type: E = Error

• Message class: BSP_WD_SH -

• Message number: 013

• Message text: Model is missing attributes or child models

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BSP_WD_SH013 - Model is missing attributes or child models ?

  The SAP error message BSP_WD_SH013 indicates that a model in a Web Dynpro application is missing attributes or child models that are expected to be present. This error typically arises in the context of SAP Web Dynpro applications when the application tries to access a model that has not been properly defined or initialized.
  Causes:
  
  Model Definition Issues: The model may not have been defined correctly in the Web Dynpro component. This could be due to missing attributes or child models in the model definition.
  Data Binding Problems: If the UI elements are bound to a model that does not have the expected structure, this error can occur.
  Initialization Errors: The model may not have been initialized properly in the controller or the view, leading to missing data.
  Changes in Model Structure: If the model structure has been changed (e.g., attributes or child models added or removed) without updating the corresponding UI bindings, this error can occur.
  Runtime Issues: There may be runtime issues where the model is not available at the time the UI tries to access it.
  
  Solutions:
  
  Check Model Definition: Verify that the model is defined correctly in the Web Dynpro component. Ensure that all required attributes and child models are included.
  Review Data Bindings: Check the data bindings in the UI elements to ensure they are correctly pointing to the existing attributes and child models in the model.
  Initialize the Model: Ensure that the model is properly initialized in the controller's WDDOINIT method or wherever appropriate. Make sure that the model is populated with data before it is accessed by the UI.
  Update UI Bindings: If there have been changes to the model structure, update the UI bindings accordingly to reflect the current model structure.
  Debugging: Use debugging tools to trace the execution flow and identify where the model is being accessed and why it might be missing attributes or child models.
  Check for Runtime Errors: Look for any runtime errors or exceptions that might indicate why the model is not available or properly initialized.
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation for Web Dynpro to understand how models and data binding work.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  
  By following these steps, you should be able to identify the cause of the BSP_WD_SH013 error and implement a solution to resolve it.