Created attachment 128945 [details] Crash log MacOS SUMMARY When Ekos/MacOS disconnects from RPi4 (StellarMate 1.5.2), application crashes. STEPS TO REPRODUCE 1. Connect to RPi 2. Perform some operations (slewing, etc) 3. Ensure no operations are running (no guiding, exposure loops, focusing, etc). 4. Disconnect. 5. Crash OBSERVED RESULT Crash occurs, almost every time. Since it is immediate, I get no useful logging other than the attached MacOS stack trace. EXPECTED RESULT No crash should occur. SOFTWARE/OS VERSIONS Windows: macOS: 10.15.4 Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION