--------------          Message          --------------
Int32Converter não pode ser convertido de (nulo).
--------------        Stack trace        --------------
   em GrfToWpfBridge.Application.DefaultErrorHandler._reportAnyManagedExceptions(String message, Exception exception, ErrorLevel errorLevel)
   em GrfToWpfBridge.Application.DefaultErrorHandler.Handle(Exception exception, ErrorLevel errorLevel)
   em SDE.Tools.DatabaseEditor.Generic.TabsMakerCore.GDbTabWrapper`2.ReplaceFromFile()
   em SDE.Tools.DatabaseEditor.SdeEditor.<_menuItemReplaceFromFile_Click>b__11f(GDbTab v)
   em SDE.Tools.DatabaseEditor.SdeEditor._execute(Action`1 func)
   em SDE.Tools.DatabaseEditor.SdeEditor._menuItemReplaceFromFile_Click(Object sender, RoutedEventArgs e)
   em System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   em System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   em System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   em System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
   em System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
   em System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   em MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   em System.Windows.Threading.DispatcherOperation.InvokeImpl()
   em System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   em System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   em System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   em System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   em System.Windows.Threading.DispatcherOperation.Invoke()
   em System.Windows.Threading.Dispatcher.ProcessQueue()
   em System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   em MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   em MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   em System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   em MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   em System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   em MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   em MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   em System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   em System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   em System.Windows.Threading.Dispatcher.Run()
   em System.Windows.Application.RunDispatcher(Object ignore)
   em System.Windows.Application.RunInternal(Window window)
   em System.Windows.Application.Run(Window window)
   em SDE.GRFEditorMain.Main(String[] args)

--------------         Exception         --------------
System.NotSupportedException: Int32Converter não pode ser convertido de (nulo).
   em System.ComponentModel.TypeConverter.GetConvertFromException(Object value)
   em System.ComponentModel.TypeConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value)
   em System.ComponentModel.BaseNumberConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value)
   em SDE.Tools.DatabaseEditor.Generic.DbLoaders.DbLoaderMethods._loadData[T](AbstractDb`1 db, String file, DbAttribute attribute, Boolean allowCutLine)
   em SDE.Tools.DatabaseEditor.Generic.TabsMakerCore.GDbTabWrapper`2.ReplaceFromFile()