If this can help - error log
Exception: System.NullReferenceException
Source: WorldBuilder
Thread: Main Thread
Description: Object reference not set to an instance of an object.
Stack Trace:
w WorldBuilder.NexusMapGenerator.SetMapOption(String sOptionID, Int32 iValue)
w WorldBuilder.GenerateMapScreen.m_btnTestMapScript_Click(Object sender, EventArgs e)
w System.Windows.Forms.Control.OnClick(EventArgs e)
w System.Windows.Forms.Button.OnClick(EventArgs e)
w System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
w System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
w System.Windows.Forms.Control.WndProc(Message& m)
w System.Windows.Forms.ButtonBase.WndProc(Message& m)
w System.Windows.Forms.Button.WndProc(Message& m)
w System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
w System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
w System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)