Log QML debugging is enabled. Only use this in a safe environment. Error: signal 11: 0 qtbug 0x000000010add87a2 _Z15handleBacktracei + 34 1 libsystem_platform.dylib 0x00007fffe45c2bba _sigtramp + 26 2 ??? 0x000000011684e7ad 0x0 + 4672776109 3 QtQml 0x000000010b33f39d _ZN15QQmlBoundSignal10setEnabledEb + 477 4 QtQml 0x000000010b38106d _ZN12QQmlNotifier10emitNotifyEP20QQmlNotifierEndpointPPv + 781 5 QtCore 0x000000010b850fc9 _ZN11QMetaObject8activateEP7QObjectiiPPv + 121 6 qtbug 0x000000010addac4f _ZN9Messenger8receivedE8QJSValue + 63 7 qtbug 0x000000010add8e0d _ZN9Messenger4sendE8QJSValue + 45 8 qtbug 0x000000010addaa80 _ZN9Messenger18qt_static_metacallEP7QObjectN11QMetaObject4CallEiPPv + 336 9 qtbug 0x000000010addae05 _ZN9Messenger11qt_metacallEN11QMetaObject4CallEiPPv + 117 10 QtQml 0x000000010b2f9f0e _ZN3QV418QMetaObjectWrapper9isEqualToEPNS_7ManagedES2_ + 750 11 QtQml 0x000000010b2f8630 _ZNK3QV413QObjectMethod12callInternalEPNS_8CallDataERNS_5ScopeE + 2784 12 QtQml 0x000000010b2f8310 _ZNK3QV413QObjectMethod12callInternalEPNS_8CallDataERNS_5ScopeE + 1984 13 QtQml 0x000000010b30ea80 _ZN3QV47Runtime19method_callPropertyEPNS_15ExecutionEngineEiPNS_8CallDataE + 768 14 ??? 0x000000010ecf5968 0x0 + 4543437160 15 QtQml 0x000000010b298219 _ZNK3QV414FunctionObject14sourceLocationEv + 8073 16 QtQml 0x000000010b3a0e13 _ZN24QQmlJavaScriptExpression8evaluateEPN3QV48CallDataEPbRNS0_5ScopeE + 675 17 QtQml 0x000000010b33eba5 _ZN25QQmlBoundSignalExpression8evaluateEPPv + 1125 18 QtQml 0x000000010b33f39d _ZN15QQmlBoundSignal10setEnabledEb + 477 19 QtQml 0x000000010b38106d _ZN12QQmlNotifier10emitNotifyEP20QQmlNotifierEndpointPPv + 781 20 QtCore 0x000000010b850fc9 _ZN11QMetaObject8activateEP7QObjectiiPPv + 121 21 QtQml 0x000000010b3b8c5d _ZN27QQmlFileSelectorInterceptor9interceptERK4QUrlN26QQmlAbstractUrlInterceptor8DataTypeE + 30797 22 QtQml 0x000000010b335439 _ZN20QQmlComponentPrivate8completeEP17QQmlEnginePrivatePNS_17ConstructionStateE + 73 23 QtQml 0x000000010b3335e9 _ZN20QQmlComponentPrivate14completeCreateEv + 41 24 QtQml 0x000000010b334db2 _ZN13QQmlComponent6createEP11QQmlContext + 114 25 QtQml 0x000000010b3aabff _ZN28QQmlApplicationEnginePrivate13_q_finishLoadEP7QObject + 111 26 QtQml 0x000000010b3ab1f2 _ZN21QQmlApplicationEngine4loadERK4QUrl + 34 27 qtbug 0x000000010add8886 main + 134 28 libdyld.dylib 0x00007fffe43b5255 start + 1