Model1.edmx[Diagram1] gives an error

[Deepa thapa]

An error occurred while initializing the frame's content
System.Runtime.InteropServices.COMException (0x8000000A): The data necessary to complete this operation is not yet available. (Exception from HRESULT: 0x8000000A)
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at Microsoft.VisualStudio.Design.VSDesignSurfaceManager.GetSurfaceFromFrame(IVsWindowFrame frame)
at Microsoft.VisualStudio.Design.VSDesignSurfaceManager.Microsoft.VisualStudio.Shell.Interop.IVsSelectionEvents.OnElementValueChanged(UInt32 elementid, Object varValueOld, Object varValueNew)
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at Microsoft.VisualStudio.Modeling.Shell.MonitorSelectionService.get_CurrentDocumentView()
at Microsoft.VisualStudio.Modeling.Shell.MonitorSelectionService..ctor(IServiceProvider serviceProvider)
at Microsoft.VisualStudio.Modeling.Shell.ModelingPackage.OnCreateService(IServiceContainer serviceContainer, Type serviceType)
at Microsoft.VisualStudio.Shell.Package.GetService(Type serviceType)
at Microsoft.VisualStudio.Shell.Package.System.IServiceProvider.GetService(Type serviceType)
at Microsoft.VisualStudio.Shell.WindowPane.GetService(Type serviceType)
at Microsoft.VisualStudio.Modeling.Shell.ModelingWindowPane.GetService(Type serviceType)
at Microsoft.VisualStudio.Modeling.Shell.ModelingDocView.Initialize()
at Microsoft.VisualStudio.Shell.WindowPane.InternalSetSite(IServiceProvider p)
at Microsoft.VisualStudio.Shell.WindowPane.Microsoft.VisualStudio.Shell.Interop.IVsWindowPane.SetSite(IServiceProvider psp)
at Microsoft.VisualStudio.Shell.WindowPane.Microsoft.VisualStudio.Shell.Interop.IVsUIElementPane.SetUIElementSite(IServiceProvider p)
at Microsoft.VisualStudio.Platform.WindowManagement.UIElementDocumentObject.SetSite(DocumentObjectSite site)
at Microsoft.VisualStudio.Platform.WindowManagement.DocumentObjectSite.InitializeDocumentObject(Object punkView)
at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.InitializeDocumentSite(Boolean creatingStubFrame, Boolean replacingStubView, Object punkView, Object punkData, IServiceProvider pServiceProvider, IVsUIHierarchy pUIHierarchy, UInt32 vsid)
at Microsoft.VisualStudio.Platform.WindowManagement.WindowManagerService.CreateContentPane(FrameMoniker frameMoniker, Boolean isDocument, String lpstrMkDoc, UInt32 eCreateWindowFlags, Object punkView, Object punkData, IServiceProvider pServiceProvider, IVsUIHierarchy pUIHierarchy, UInt32 vsid, Guid rguidCmdUI, ViewGroup parent, IVsWindowFrame& ppWindowFrame)

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