SDL tool error: Object reference not set to an instance of an object.

Question

hi,

      After install SDL Threat Modeling Tool v3.1.8 according to the guide successfully, SDL tool occurs  a serious problem and needs to close. The Diagram part is empty. My current machine is 64-bit, win7. Could anyone help me?

The log is :

SDLTM.exe Information: 0 : Unhandled inner exception
    Timestamp=4895892578
SDLTM.exe Error: 0 : Exception: System.NullReferenceException: Object reference not set to an instance of an object.
   at SDLTM.FormMain.editToolStripMenuItem_DropDownOpened(Object sender, EventArgs e)
   at System.Windows.Forms.ToolStripDropDownItem.OnDropDownOpened(EventArgs e)
   at System.Windows.Forms.ToolStripDropDownItem.DropDown_Opened(Object sender, EventArgs e)
   at System.Windows.Forms.ToolStripDropDown.OnOpened(EventArgs e)
   at System.Windows.Forms.ToolStripDropDown.SetVisibleCore(Boolean visible)
   at System.Windows.Forms.ToolStripDropDown.Show()
   at System.Windows.Forms.ToolStripDropDownItem.ShowDropDownInternal()
   at System.Windows.Forms.ToolStripDropDownItem.ShowDropDown(Boolean mousePush)
   at System.Windows.Forms.ToolStripMenuItem.OnMenuAutoExpand()
   at System.Windows.Forms.MenuTimer.OnTick(Object sender, EventArgs e)
   at System.Windows.Forms.Timer.OnTick(EventArgs e)
   at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.Run(Form mainForm)
   at SDLTM.Program.Main(String[] args), Object reference not set to an instance of an object.

Answer 1

Thank you for reporting the issue. This is a known issue and will be fixed in the next release.