QGroundControl serial GPS segfault gdb

(gdb) run
Starting program: /home/ecol/Desktop/ROV/QGroundControl.AppImage
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
process 3421 is executing new program: /bin/dash
Settings location "/home/ecol/.config/QGroundControl.org/QGroundControl.ini" Is writable?: true
Filter rules "qt.network.ssl.warning=false\n*Log.debug=false\nLinkManagerLog.debug=true\nLinkManagerVerboseLog.debug=true\n"
No metadata for fact: "airSpeed"
No metadata for fact: "altitudeAMSL"
MAVLinkLogManagerLog: MAVLink logs directory: "/home/ecol/Documents/QGroundControl/Logs"
Map Cache in: "/home/ecol/.cache/QGCMapCache300" / "qgcMapCache.db"
No metadata for fact: "airSpeed"
No metadata for fact: "altitudeAMSL"
qml: 0.057291666666666664
qml: _activeVehicle(0) _vehicleArmed(0) guidedModeSupported(0) _vehicleFlying(0) _vehicleInRTLMode(0) pauseVehicleSupported(0) _vehiclePaused(0) _flightMode()
qml: _activeVehicle(0) _vehicleArmed(0) guidedModeSupported(0) _vehicleFlying(0) _vehicleInRTLMode(0) pauseVehicleSupported(0) _vehiclePaused(0) _flightMode()
qml: _currentMissionIndex -1
qml: 34.5 44
qml: _activeVehicle(0) _vehicleArmed(0) guidedModeSupported(0) _vehicleFlying(0) _vehicleInRTLMode(0) pauseVehicleSupported(0) _vehiclePaused(0) _flightMode()
qml: ScreenTools: Screen.width: 1366 Screen.height: 768 Screen.pixelDensity: 4.417252538779154
qml: ScreenTools: Screen.width: 1366 Screen.height: 768 Screen.pixelDensity: 4.417252538779154
Unknown Fact "altimeter distance"
Unknown Fact "altimeter distance"
qrc:///qml/QGroundControl/Controls/MainToolBar.qml:114: TypeError: Cannot read property 'sub' of null
qml: ScreenTools: Screen.width: 1366 Screen.height: 768 Screen.pixelDensity: 4.417252538779154
qml: ScreenTools: Screen.width: 1366 Screen.height: 768 Screen.pixelDensity: 4.417252538779154
Orphaned log file count 0
qml: ScreenTools: Screen.width: 1366 Screen.height: 768 Screen.pixelDensity: 4.417252538779154
LinkManagerLog: New auto-connect UDP port added
LinkManagerVerboseLog: -----------------------------------------------------
LinkManagerVerboseLog: portName:           "ttyUSB1"
LinkManagerVerboseLog: systemLocation:     "/dev/ttyUSB1"
LinkManagerVerboseLog: description:        "USB-Serial Controller D"
LinkManagerVerboseLog: manufacturer:       "Prolific Technology Inc."
LinkManagerVerboseLog: serialNumber:       ""
LinkManagerVerboseLog: vendorIdentifier:   1659
LinkManagerVerboseLog: productIdentifier:  8963
LinkManagerVerboseLog: -----------------------------------------------------
LinkManagerVerboseLog: portName:           "ttyUSB0"
LinkManagerVerboseLog: systemLocation:     "/dev/ttyUSB0"
LinkManagerVerboseLog: description:        "USB-Serial Controller D"
LinkManagerVerboseLog: manufacturer:       "Prolific Technology Inc."
LinkManagerVerboseLog: serialNumber:       ""
LinkManagerVerboseLog: vendorIdentifier:   1659
LinkManagerVerboseLog: productIdentifier:  8963
LinkManagerLog: Configuring nmea port "/dev/ttyUSB0"
LinkManagerLog: Configuring nmea baudrate 4800
Segmentation fault (core dumped)
[Inferior 1 (process 3421) exited with code 0213]
(gdb) bt
No stack.
(gdb)