I've just got this message!

[PerRydstrom]

I've just got this message after I turned my laser engraver off.

I dont know what it means, and what to to. I've chosen to do nothing.....!

Kind regards - Per Rydstrøm - Denmark

LaserGrbl v7.14.0.0
Grbl v1.1h
Wrapper: UsbSerial
Win 10, Professional, 10.0.19045.0 (7)
CLR: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll 4.8.9290.0 built by: NET481REL1LAST_C

TypeOf exception [System.ObjectDisposedException]
Exception message [Sikker handle er lukket.]
Exception source [mscorlib], thread [Main Thread]
Exception method [Void DangerousAddRef(Boolean ByRef)]

----------- stack trace -----------
ved System.Runtime.InteropServices.SafeHandle.DangerousAddRef(Boolean& success)
ved System.StubHelpers.StubHelpers.SafeHandleAddRef(SafeHandle pHandle, Boolean& success)
ved Microsoft.Win32.UnsafeNativeMethods.GetOverlappedResult(SafeFileHandle hFile, NativeOverlapped* lpOverlapped, Int32& lpNumberOfBytesTransferred, Boolean bWait)
ved System.IO.Ports.SerialStream.EventLoopRunner.WaitForCommEvent()
ved System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
ved System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
ved System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
ved System.Threading.ThreadHelper.ThreadStart()

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Describe the bug
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To Reproduce
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4. See error

Expected behavior
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Screenshots
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Hardware and software configuration (please complete the following information):

• Windows version
• Engraver brand and model
• Grbl version (i.e. 0.9j, 1.1f)
• LaserGRBL version

Additional context
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