Crash in QtPrivate::QTypeNormalizer::normalizeType

0   QtCore                          0x10731567e         QtPrivate::QTypeNormalizer::normalizeType (qmetatype.h:2013)
1   QtCore                          0x107310556         [inlined] QtPrivate::qNormalizeType (qmetatype.h:2138)
2   QtCore                          0x107310556         normalizeTypeInternal (qmetaobject_moc_p.h:62)
3   QtCore                          0x10731050e         QMetaObject::normalizedType (qmetaobject.cpp:1311)
4   QtCore                          0x1073240ff         [inlined] (anonymous namespace)::QMetaTypeCustomRegistry::registerCustomType (qmetatype.cpp:126)
5   QtCore                          0x1073240ff         QMetaType::idHelper (qmetatype.cpp:541)
6   QtQml                           0x104c6752a         [inlined] QMetaType::id (qmetatype.h:459)
7   QtQml                           0x104c6752a         QQmlEnginePrivate::valueTypeInstance (qqmlengine_p.h:259)
8   QtQuick                         0x103e573e4         QQuickDesignerSupportProperties::allPropertyNames (qquickdesignersupportproperties.cpp:232)
9   qml2puppet                      0x1035cbc99         <unknown>
10  qml2puppet                      0x1035896c0         <unknown>
11  qml2puppet                      0x1035c7701         <unknown>
12  qml2puppet                      0x103572423         <unknown>
13  qml2puppet                      0x103573291         <unknown>
14  qml2puppet                      0x1035a228a         <unknown>
15  qml2puppet                      0x10352c9d1         <unknown>
16  qml2puppet                      0x103528dab         <unknown>
17  QtCore                          0x107352a0d         [inlined] QtPrivate::QSlotObjectBase::call (qobjectdefs_impl.h:399)
18  QtCore                          0x107352a0d         doActivate<T> (qobject.cpp:3919)
19  QtCore                          0x107352ca1         doActivate<T> (qobject.cpp:3931)
20  QtNetwork                       0x105b8195a         [inlined] QAbstractSocketPrivate::emitReadyRead (qabstractsocket.cpp:1262)
21  QtNetwork                       0x105b8195a         QAbstractSocketPrivate::canReadNotification (qabstractsocket.cpp:696)
22  QtNetwork                       0x105b89cbd         QReadNotifier::event (qnativesocketengine.cpp:1272)
23  QtWidgets                       0x10436a066         QApplicationPrivate::notify_helper (qapplication.cpp:3337)
24  QtWidgets                       0x10436b022         QApplication::notify
25  QtCore                          0x107301dc9         QCoreApplication::notifyInternal2 (qcoreapplication.cpp:1068)
26  QtCore                          0x107471e3e         qt_mac_socket_callback (qcfsocketnotifier.cpp:75)
27  CoreFoundation                  0x7ff81e257ef9      __CFSocketPerformV0
28  CoreFoundation                  0x7ff81e22e8fc      __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
29  CoreFoundation                  0x7ff81e22e864      __CFRunLoopDoSource0
30  CoreFoundation                  0x7ff81e22e5e3      __CFRunLoopDoSources0
31  CoreFoundation                  0x7ff81e22d01a      __CFRunLoopRun
32  CoreFoundation                  0x7ff81e22c5dc      CFRunLoopRunSpecific
33  HIToolbox                       0x7ff826e5f4f0      RunCurrentEventLoopInMode
34  HIToolbox                       0x7ff826e5f246      ReceiveNextEventCommon
35  HIToolbox                       0x7ff826e5efe4      _BlockUntilNextEventMatchingListInModeWithFilter
36  AppKit                          0x7ff820c5bb4b      _DPSNextEvent
37  AppKit                          0x7ff820c5a1b7      -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
38  AppKit                          0x7ff820c4c5a8      -[NSApplication run]
39  libqcocoa.dylib                 0x1041ad48b         QCocoaEventDispatcher::processEvents (qcocoaeventdispatcher.mm:430)
40  QtCore                          0x10730b515         [inlined] QEventLoop::processEvents (qeventloop.cpp:136)
41  QtCore                          0x10730b515         QEventLoop::exec (qeventloop.cpp:218)
42  QtCore                          0x1073023e4         QCoreApplication::exec (qcoreapplication.cpp:1389)