Mod Manager constantly crashing?

[squiddles]

The crash dump is

 

Sunday, August 12, 2012 - 5:42:48 PM

Fomm 0.13.21

OS version: Microsoft Windows NT 5.1.2600 Service Pack 3

 

System.NullReferenceException: Object reference not set to an instance of an object.

at WebsiteAPIs.NexusAPI.get_LoginKey()

at Fomm.PackageManager.PackageManager.WebsiteLogin()

at Fomm.PackageManager.PackageManager..ctor(MainForm mf)

at Fomm.MainForm.bPackageManager_Click(Object sender, EventArgs e)

at System.Windows.Forms.Control.OnClick(EventArgs e)

at System.Windows.Forms.Button.OnClick(EventArgs e)

at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)

at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.ButtonBase.WndProc(Message& m)

at System.Windows.Forms.Button.WndProc(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

 

Basically it crashes no matter what I do. I try to add a mod, it demands I log in and crashes. I log in, it crashes. If by some miracle I make it to the fomod adding screen, it asks me which one to add and then crashes. So what can I do to make this stop?