The diplomatic view, when starting a new game and checking to see relations with allies, fails for me. A LOT.

As Myrmont:

An error has occurred

User ID: 76561197970151467
Build Number: 1515
Mods Active: None
Object reference not set to an instance of an object.

at SovereigntyTK.UI.Map.CampaignMap.HandleProvinceClicked(String ProvinceName, MouseButton Button)
at SovereigntyTK.UI.Map.MapInputManager.HandleMouseUp(MouseButtonEventArgs e)
at SovereigntyTK.Sovereignty.HandleMouseUp(MouseButtonEventArgs e)
at SovereigntyTK.UI.UIManager.Window_MouseUp(Object sender, MouseButtonEventArgs e)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at OpenTK.NativeWindow.OnMouseUp(MouseButtonEventArgs e)
at OpenTK.NativeWindow.OnMouseUpInternal(Object sender, MouseButtonEventArgs e)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at OpenTK.Platform.NativeWindowBase.OnMouseUp(MouseButton button)
at OpenTK.Platform.Windows.WinGLNative.WindowProcedure(IntPtr handle, WindowMessage message, IntPtr wParam, IntPtr lParam)
at OpenTK.Platform.Windows.Functions.DispatchMessage(MSG& msg)
at OpenTK.Platform.Windows.WinGLNative.ProcessEvents()
at SovereigntyTK.GameBase.Start()
at SovereigntyTK.Program.Main(String[] args)

As Hadriel:

An error has occurred

User ID: 76561197970151467
Build Number: 1515
Mods Active: None
Object reference not set to an instance of an object.

at SovereigntyTK.UI.Map.CampaignMap.HandleProvinceClicked(String ProvinceName, MouseButton Button)
at SovereigntyTK.UI.Map.MapInputManager.HandleMouseUp(MouseButtonEventArgs e)
at SovereigntyTK.Sovereignty.HandleMouseUp(MouseButtonEventArgs e)
at SovereigntyTK.UI.UIManager.Window_MouseUp(Object sender, MouseButtonEventArgs e)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at OpenTK.NativeWindow.OnMouseUp(MouseButtonEventArgs e)
at OpenTK.NativeWindow.OnMouseUpInternal(Object sender, MouseButtonEventArgs e)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at OpenTK.Platform.NativeWindowBase.OnMouseUp(MouseButton button)
at OpenTK.Platform.Windows.WinGLNative.WindowProcedure(IntPtr handle, WindowMessage message, IntPtr wParam, IntPtr lParam)
at OpenTK.Platform.Windows.Functions.DispatchMessage(MSG& msg)
at OpenTK.Platform.Windows.WinGLNative.ProcessEvents()
at SovereigntyTK.GameBase.Start()
at SovereigntyTK.Program.Main(String[] args)

As Sonneneve:

An error has occurred

User ID: 76561197970151467
Build Number: 1515
Mods Active: None
Object reference not set to an instance of an object.

at SovereigntyTK.UI.Map.CampaignMap.HandleProvinceClicked(String ProvinceName, MouseButton Button)
at SovereigntyTK.UI.Map.MapInputManager.HandleMouseUp(MouseButtonEventArgs e)
at SovereigntyTK.Sovereignty.HandleMouseUp(MouseButtonEventArgs e)
at SovereigntyTK.UI.UIManager.Window_MouseUp(Object sender, MouseButtonEventArgs e)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at OpenTK.NativeWindow.OnMouseUp(MouseButtonEventArgs e)
at OpenTK.NativeWindow.OnMouseUpInternal(Object sender, MouseButtonEventArgs e)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at OpenTK.Platform.NativeWindowBase.OnMouseUp(MouseButton button)
at OpenTK.Platform.Windows.WinGLNative.WindowProcedure(IntPtr handle, WindowMessage message, IntPtr wParam, IntPtr lParam)
at OpenTK.Platform.Windows.Functions.DispatchMessage(MSG& msg)
at OpenTK.Platform.Windows.WinGLNative.ProcessEvents()
at SovereigntyTK.GameBase.Start()
at SovereigntyTK.Program.Main(String[] args)

I can reliably recreate this in 15 seconds. With ANY kingdom.

Also, the bug reporter doesn't work.

This is not good enough.