Tasque closes unexpectedly

Binary package hint: tasque

It just closes unexpectedly after a few minutes (2/3) of use. I'm only using it with Remember the Milk.
Sometimes, when adding a new task it automagically adds another empty one.

streinsacu@roncalle:~$ tasque
[Debug]: Tasque remote control active.
[Debug]: Found Available Backend: Tasque.Backends.RtmBackend.RtmBackend
[Debug]: Found Available Backend: Tasque.Backends.Sqlite.SqliteBackend
[Debug]: Found Available Backend: Tasque.Backends.EDS.EDSBackend
[Debug]: Tasque.exe location: /usr/lib/tasque/Tasque.exe
[Info]: Searching for Backend DLLs in: /usr/lib/tasque
[Info]: Reading /usr/lib/tasque/RtmNet.dll
[Debug]: Storing 'Tasque.Backends.RtmBackend.RtmBackend' = 'Remember the Milk'
[Debug]: Storing 'Tasque.Backends.Sqlite.SqliteBackend' = 'Local File'
[Debug]: Storing 'Tasque.Backends.EDS.EDSBackend' = 'Evolution Data Server'
[Debug]: CurrentBackend specified in Preferences: Tasque.Backends.RtmBackend.RtmBackend
[Info]: Using backend: Remember the Milk (Tasque.Backends.RtmBackend.RtmBackend)
[Debug]: Found AuthToken, checking credentials...
[Debug]: RTM Auth Token is valid!
[Debug]: Setting configured status to true
[Debug]: ThreadState: Unstarted
[Debug]: Configuration status: True
[Debug]: RtmBackend.UpdateCategories was called
[Debug]: RtmBackend.UpdateCategories is done
[Debug]: RtmBackend.UpdateTasks was called
[Debug]: RtmBackend.UpdateTasks is done
[Debug]: Backend sync finished
[Debug]: Backend sync finished
[Debug]: Removing NoteDialog from noteDialogs
[Debug]: Unable to set name on task: ToDo Uni
[Debug]: System.NullReferenceException: Object reference not set to an instance of an object
  at Tasque.Backends.RtmBackend.RtmBackend.UpdateTaskName (Tasque.Backends.RtmBackend.RtmTask task) [0x00000]
[Debug]: Unable to set due date on task: ToDo Uni
[Debug]: System.NullReferenceException: Object reference not set to an instance of an object
  at Tasque.Backends.RtmBackend.RtmBackend.UpdateTaskDueDate (Tasque.Backends.RtmBackend.RtmTask task) [0x00000]
[Debug]: Creating a new note
[Debug]: RtmBackend.CreateNote: Unable to create a new note
[Debug]: System.NullReferenceException: Object reference not set to an instance of an object
  at Tasque.Backends.RtmBackend.RtmBackend.CreateNote (Tasque.Backends.RtmBackend.RtmTask rtmTask, System.String text) [0x00000]
[Debug]: Unable to create a note
[Debug]: System.NullReferenceException: Object reference not set to an instance of an object
  at Tasque.NoteWidget.set_Note (INote value) [0x00000]
  at Tasque.NoteDialog.OnNoteTextChanged (System.Object sender, System.EventArgs args) [0x00000]
[Debug]: Creating a new note
[Debug]: Removing NoteDialog from noteDialogs
Marshaling cursor-changed signal
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Tasque.TaskTreeView.<ConnectEvents>m__3 (System.Object o, System.EventArgs args) [0x00000]
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000]
  --- End of inner exception stack trace ---
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000]
  at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000]
  at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x00000]
  at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) [0x00000]
  at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000]
  at GLib.Signal.ClosureInvokedCB (System.Object o, GLib.ClosureInvokedArgs args) [0x00000]
  at GLib.SignalClosure.Invoke (GLib.ClosureInvokedArgs args) [0x00000]
  at GLib.SignalClosure.MarshalCallback (IntPtr raw_closure, IntPtr return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr marshal_data) [0x00000]
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at GLib.SignalClosure.MarshalCallback(IntPtr raw_closure, IntPtr return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr marshal_data)
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Gnome.Program.Run()
   at Tasque.GnomeApplication.StartMainLoop()
   at Tasque.Application.StartMainLoop()
   at Tasque.Application.Main(System.String[] args)
streinsacu@roncalle:~$