Crash in QV4::Function::call

0   QtQml                           0x1103c3834         QV4::Function::call (qv4function.cpp:63)
1   QtQml                           0x1104e4fbf         QQmlJavaScriptExpression::evaluate (qqmljavascriptexpression.cpp:306)
2   QtQml                           0x1105322d8         QQmlPropertyBinding::evaluate<T> (qqmlpropertybinding_p.h:334)
3   QtQuick                         0x10ddbe06f         QObjectCompatProperty<T>::bindingWrapper (qproperty_p.h:482)
4   QtCore                          0x111bd09ed         QPropertyBindingPrivate::evaluateRecursive (qproperty.cpp:296)
5   QtCore                          0x111bd1295         QtPrivate::QPropertyBindingData::setBinding (qproperty.cpp:482)
6   QtQuick                         0x10ddbdf67         QtPrivate::QBindableInterfaceForProperty<T>::iface::lambda::__invoke (qproperty_p.h:693)
7   QtQuick                         0x10df532a6         QUntypedBindable::setBinding (qproperty.h:726)
8   QtQuick                         0x10df5217d         QQmlAnyBinding::installOn (qqmlanybinding_p.h:263)
9   QtQuick                         0x10dfc1c5f         QQuickDesignerCustomObjectData::setPropertyBinding (qquickdesignercustomobjectdata.cpp:270)
10  qml2puppet                      0x10d705568         <unknown>
11  qml2puppet                      0x10d744345         <unknown>
12  qml2puppet                      0x10d6de2d9         <unknown>
13  qml2puppet                      0x10d6df085         <unknown>
14  qml2puppet                      0x10d722a3e         <unknown>
15  qml2puppet                      0x10d69eece         <unknown>
16  qml2puppet                      0x10d69b02b         <unknown>
17  QtCore                          0x111bc8edd         doActivate<T> (qobject.cpp:3921)
18  QtCore                          0x111bc9171         doActivate<T> (qobject.cpp:3933)
19  QtNetwork                       0x10fd4167a         QAbstractSocketPrivate::canReadNotification (qabstractsocket.cpp:696)
20  QtNetwork                       0x10fd499dd         QReadNotifier::event (qnativesocketengine.cpp:1272)
21  QtWidgets                       0x10efaf2f6         QApplicationPrivate::notify_helper (qapplication.cpp:3350)
22  QtWidgets                       0x10efb02b2         QApplication::notify (qapplication.cpp:2754)
23  QtCore                          0x111b79189         QCoreApplication::notifyInternal2 (qcoreapplication.cpp:1067)
24  QtCore                          0x111ce6d1e         qt_mac_socket_callback (qcfsocketnotifier.cpp:75)
25  CoreFoundation                  0x7ff80423ee49      __CFSocketPerformV0
26  CoreFoundation                  0x7ff80421584c      __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
27  CoreFoundation                  0x7ff8042157b4      __CFRunLoopDoSource0
28  CoreFoundation                  0x7ff804215533      __CFRunLoopDoSources0
29  CoreFoundation                  0x7ff804213f6a      __CFRunLoopRun
30  CoreFoundation                  0x7ff80421352c      CFRunLoopRunSpecific
31  HIToolbox                       0x7ff80ce313e0      RunCurrentEventLoopInMode
32  HIToolbox                       0x7ff80ce31136      ReceiveNextEventCommon
33  HIToolbox                       0x7ff80ce30ed4      _BlockUntilNextEventMatchingListInModeWithFilter
34  AppKit                          0x7ff806c3e8ef      _DPSNextEvent
35  AppKit                          0x7ff806c3cf5b      -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
36  AppKit                          0x7ff806c2f358      -[NSApplication run]
37  libqcocoa.dylib                 0x10fc0cfbb         QCocoaEventDispatcher::processEvents (qcocoaeventdispatcher.mm:430)
38  QtCore                          0x111b82875         QEventLoop::exec (qeventloop.cpp:218)
39  QtCore                          0x111b79784         QCoreApplication::exec (qcoreapplication.cpp:1388)