Source tree 1.9.6.0 crash when hit "Commit" button

[Ivan Kurnakov]

After update soure tree crashes when i hit the "commit" button. 

How can i fix this problem?

"Pull" work fine.

Information from "sourcetree.log":

ERROR [2016-08-08 10:29:07,175] [1] [SourceTree.Analytics.Crash.BugSplat.CrashAnalyticsService] [DispatcherUnhandledExceptionHandler] - DispatcherUnhandledExceptionHandler for [SourceTree, 1.9.6.0] called with [System.Windows.Threading.Dispatcher, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs]
System.NullReferenceException: Object reference not set to an instance of an object.
 at SourceTree.Accounts.AccountManager.GetDefaultUserInformation(String& fullname, String& email) in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\Accounts\AccountManager.cs:line 108
 at SourceTree.ViewModel.UserDetailsViewModel..ctor(Repository repo, Action`2 completionAction, ICustomActionsManager customActionsManager, ISchedulerManager schedulerManager, IRepositoryManager repositoryManager, IAnalyticsDataManager analyticsDataManager, ITraceManager traceManager, IDispatcher sourceTreeDispatcher, IAccountManager accountManager, IFailureHandler failureHandler, IDvcsManager dvcsManager, IRepositoryMonitorManager repositoryMonitorManager, IFileListViewManager fileListViewManager, IFileListContainerViewManager fileListContainerViewManager, IDiffViewManager diffViewManager, IConfigurationManager configurationManager, IProcessDialogViewManager processDialogViewManager, IChangeSetViewManager changeSetViewManager, INotificationsManager notificationsManager) in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\UserDetailsViewModel.cs:line 64
 at SourceTree.ViewModel.CommitAndFileStatusViewModel._CheckMinimumRequirementsBeforeEnterCommit() in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\CommitAndFileStatusViewModel.cs:line 705
 at SourceTree.ViewModel.CommitAndFileStatusViewModel.EnterCommitMode() in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\CommitAndFileStatusViewModel.cs:line 603
 at SourceTree.ViewModel.CommitAndFileStatusViewModel..ctor(Repository repo, IRepositoryTabContainerViewModel repositoryTabContainerViewModel, ICustomActionsManager customActionsManager, ISchedulerManager schedulerManager, IRepositoryManager repositoryManager, IAnalyticsDataManager analyticsDataManager, ITraceManager traceManager, IDispatcher dispatcher, IAccountManager accountManager, IFailureHandler failureHandler, IDvcsManager dvcsManager, IRepositoryMonitorManager repositoryMonitorManager, IFileListViewManager fileListViewManager, IFileListContainerViewManager fileListContainerViewManager, IDiffViewManager diffViewManager, IChangeSetViewManager changeSetViewManager, IProcessDialogViewManager processDialogViewManager, IConfigurationManager configurationManager, INotificationsManager notificationsManager, Boolean refreshImmediately, FileStatus overrideFilter) in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\CommitAndFileStatusViewModel.cs:line 173
 at SourceTree.ViewModel.RepoTabViewModel.set_CurrentRepoView(RepoViewMode value) in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\RepoTabViewModel.cs:line 394
 at SourceTree.ViewModel.RepoTabViewModel.Commit() in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\RepoTabViewModel.cs:line 862
 at SourceTree.ViewModel.Utils.CommandSink.ExecuteCommand(ICommand command, Object parameter, Boolean& handled) in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\Utils\CommandSink.cs:line 112
 at SourceTree.ViewModel.Utils.CommandSinkBinding.<set_CommandSink>b__3_1(Object s, ExecutedRoutedEventArgs e) in D:\projects\bitbucket.org\atlassian\sourcetree\sourcetreewin-prod\SourceTree.Api.UI.Wpf\ViewModel\Utils\CommandSinkBinding.cs:line 46
 at System.Windows.Input.CommandBinding.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
 at System.Windows.Input.CommandManager.ExecuteCommandBinding(Object sender, ExecutedRoutedEventArgs e, CommandBinding commandBinding)
 at System.Windows.Input.CommandManager.FindCommandBinding(CommandBindingCollection commandBindings, Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
 at System.Windows.Input.CommandManager.FindCommandBinding(Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
 at System.Windows.Input.CommandManager.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
 at System.Windows.Input.RoutedCommand.ExecuteImpl(Object parameter, IInputElement target, Boolean userInitiated)
 at System.Windows.Input.CommandManager.TransferEvent(IInputElement newSource, ExecutedRoutedEventArgs e)
 at System.Windows.Input.CommandManager.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
 at System.Windows.Input.RoutedCommand.ExecuteImpl(Object parameter, IInputElement target, Boolean userInitiated)
 at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
 at System.Windows.Controls.Primitives.ButtonBase.OnClick()
 at System.Windows.Controls.Button.OnClick()
 at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
 at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
 at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
 at System.Windows.Input.InputManager.ProcessStagingArea()
 at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
 at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
 at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
 at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
 at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
 at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
 at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
 at System.Windows.ThreadinxceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

[Hans Bert]

I have the exact same issue the log also throws the same error message.