APCC app crash when parking mount (Mach1) - event viewer details #APCC


Yesterday evening I experienced a mount crash; when SGP command issued to park the mount at the end of the session, apparently APCC crashed.
SGP log and Windows event viewer follow below.
Please let me now if more details are needed.

SGP Log at the time of event:
  • [09/09/20 04:53:17.438][DEBUG][Main Thread][SQ;PK;] Monitoring system shutdown...
  • [09/09/20 04:53:17.439][DEBUG][Main Thread][SQ;PK;] SequenceEnds complete...
  • [09/09/20 04:53:17.439][DEBUG][Sequence Thread][SQ;PK;] Restoring system standby state...
  • [09/09/20 04:53:20.303][DEBUG][Main Thread][PK;] PopulateDataModel:  Transferring view to the data model...
  • [09/09/20 04:53:20.325][DEBUG][MF Update Thread][PK;] Performing serialize...
  • [09/09/20 04:58:26.183][DEBUG][Telescope Thread][PK;] ASCOM Telescope: Error in ParkTel! : Object reference not set to an instance of an object.
  •    at r7.cf(String& A_0)
  • [09/09/20 04:58:26.183][ERROR][Telescope Thread][PK;] Error parking telescope: Error in Parking Telescope! See logs.
  • [09/09/20 04:58:26.184][INFO][Telescope Thread][PK;] Attempting to emergency stop mount and observatory...
  • [09/09/20 04:58:26.184][DEBUG][Telescope Thread][PK;] ASCOM Telescope: Setting tracking state to False
  • [09/09/20 04:58:26.184][DEBUG][Telescope Thread][PK;] ASCOM Telescope: Cannot set tracking state, not supported by scope...
  • [09/09/20 04:58:26.184][DEBUG][Telescope Thread][PK;] Attempting to stop PHD2 guiding...
  • [09/09/20 04:58:26.184][DEBUG][Telescope Thread][PK;] Checking PHD2 state...
  • [09/09/20 04:58:26.184][DEBUG][Telescope Thread][PK;] PHD2 GetPhdStatus - Pre-Wait : Stopped
  • [09/09/20 04:58:26.184][DEBUG][Telescope Thread][PK;] Sending to PHD2:
  • {"method": "get_app_state", "id": 1001}
  • [09/09/20 04:58:26.284][DEBUG][Telescope Thread][PK;] PHD2 GetPhdStatus - Post-Wait: Stopped
  • [09/09/20 04:58:26.284][DEBUG][Telescope Thread][PK;] PHD2 Guider is already stopped.
  • [09/09/20 04:58:26.284][DEBUG][Telescope Thread][PK;] Autoguider (PHD2) stopped Successfully
  • [09/09/20 04:58:26.284][DEBUG][Telescope Thread][NONE] SGM_TELESCOPE_PARK message complete...
  • [09/09/20 04:58:26.284][DEBUG][Telescope Thread][NONE] Telescope thread is IDLE...

Here are the details from the Windows event viewer:

Log Name:      Application
Source:        Application Error
Date:          09-Sep-20 4:57:42 AM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      NUC_Astro
Faulting application name: AstroPhysicsCommandCenter.exe, version:, time stamp: 0x5ed3b195
Faulting module name: ntdll.dll, version: 10.0.19041.423, time stamp: 0x6e329152
Exception code: 0xc00000fd
Fault offset: 0x00075027
Faulting process id: 0x1f38
Faulting application start time: 0x01d6860dfbb3abca
Faulting application path: C:\Program Files (x86)\Astro-Physics\APCC Standard\AstroPhysicsCommandCenter.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: b1ab35bb-1ce7-4ea4-9e53-49dad106c709
Faulting package full name: 
Faulting package-relative application ID: 
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <TimeCreated SystemTime="2020-09-09T02:57:42.5982470Z" />
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Security />
    <Data>C:\Program Files (x86)\Astro-Physics\APCC Standard\AstroPhysicsCommandCenter.exe</Data>

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