crash while open examples the first time

1  QScopedPointer<QObjectData,QScopedPointerDeleter<QObjectData>>::operator->                                              qscopedpointer.h               118  0x7ffe115d1a3a 
2  qGetPtrHelper<QScopedPointer<QObjectData,QScopedPointerDeleter<QObjectData>>>                                           qglobal.h                      1038 0x7ffe115b1f13 
3  QQmlPropertyMap::d_func                                                                                                 qqmlpropertymap.h              91   0x7ffe116186aa 
4  QQmlPropertyMap::contains                                                                                               qqmlpropertymap.cpp            292  0x7ffe11617318 
5  QmlDesigner::DesignerPropertyMap::value                                                                                 designerpropertymap.cpp        36   0x7ffde34c1a4b 
6  QmlDesigner::PropertyEditorQmlBackend::setValue                                                                         propertyeditorqmlbackend.cpp   221  0x7ffde34c8efd 
7  QmlDesigner::PropertyEditorView::setValue                                                                               propertyeditorview.cpp         773  0x7ffde34a24c4 
8  QmlDesigner::PropertyEditorView::bindingPropertiesChanged                                                               propertyeditorview.cpp         650  0x7ffde349f71d 
9  QmlDesigner::Internal::ModelPrivate::notifyBindingPropertiesChanged                                                     model.cpp                      1094 0x7ffde3399050 
10 QmlDesigner::Internal::ModelPrivate::setBindingProperty                                                                 model.cpp                      1542 0x7ffde339e8b7 
11 QmlDesigner::BindingProperty::setExpression                                                                             bindingproperty.cpp            87   0x7ffde33ce716 
12 QmlDesigner::Internal::ModelAmender::shouldBeBindingProperty                                                            texttomodelmerger.cpp          1804 0x7ffde33e5eef 
13 QmlDesigner::Internal::TextToModelMerger::syncExpressionProperty                                                        texttomodelmerger.cpp          1450 0x7ffde33e27fc 
14 QmlDesigner::Internal::TextToModelMerger::syncScriptBinding                                                             texttomodelmerger.cpp          1370 0x7ffde33e1ebb 
15 QmlDesigner::Internal::TextToModelMerger::syncNode                                                                      texttomodelmerger.cpp          1189 0x7ffde33e05e6 
16 QmlDesigner::Internal::TextToModelMerger::load                                                                          texttomodelmerger.cpp          1043 0x7ffde33def49 
17 QmlDesigner::RewriterView::modelAttached                                                                                rewriterview.cpp               97   0x7ffde33526e7 
18 <lambda_8e3c10e6dfd88b540ea94bcb5f59915b>::operator()                                                                   rewriterview.cpp               106  0x7ffde335efb8 
19 QtPrivate::FunctorCall<QtPrivate::IndexesList<>,QtPrivate::List<>,void,<lambda_8e3c10e6dfd88b540ea94bcb5f59915b>>::call qobjectdefs_impl.h             146  0x7ffde33611e8 
20 QtPrivate::Functor<<lambda_8e3c10e6dfd88b540ea94bcb5f59915b>,0>::call<QtPrivate::List<>,void>                           qobjectdefs_impl.h             257  0x7ffde335ba42 
21 QtPrivate::QFunctorSlotObject<<lambda_8e3c10e6dfd88b540ea94bcb5f59915b>,0,QtPrivate::List<>,void>::impl                 qobjectdefs_impl.h             445  0x7ffde33633e7 
22 QtPrivate::QSlotObjectBase::call                                                                                        qobjectdefs_impl.h             394  0x7ffe1adcab02 
23 QSingleShotTimer::timerEvent                                                                                            qtimer.cpp                     320  0x7ffe1ae2dcf2 
24 QObject::event                                                                                                          qobject.cpp                    1242 0x7ffe1ae0d503 
25 QApplicationPrivate::notify_helper                                                                                      qapplication.cpp               3737 0x7ffe1d346cb2 
26 QApplication::notify                                                                                                    qapplication.cpp               3093 0x7ffe1d340e87 
27 QCoreApplication::notifyInternal2                                                                                       qcoreapplication.cpp           1084 0x7ffe1adb0ba0 
28 QCoreApplication::sendEvent                                                                                             qcoreapplication.cpp           1473 0x7ffe1adae762 
29 QEventDispatcherWin32Private::sendTimerEvent                                                                            qeventdispatcher_win.cpp       455  0x7ffe1ae7f444 
30 QEventDispatcherWin32::event                                                                                            qeventdispatcher_win.cpp       1086 0x7ffe1ae7e8c8 
31 QApplicationPrivate::notify_helper                                                                                      qapplication.cpp               3737 0x7ffe1d346cb2 
32 QApplication::notify                                                                                                    qapplication.cpp               3093 0x7ffe1d340e87 
33 QCoreApplication::notifyInternal2                                                                                       qcoreapplication.cpp           1084 0x7ffe1adb0ba0 
34 QCoreApplication::sendEvent                                                                                             qcoreapplication.cpp           1473 0x7ffe1adae762 
35 QCoreApplicationPrivate::sendPostedEvents                                                                               qcoreapplication.cpp           1821 0x7ffe1adb26e7 
36 QEventDispatcherWin32::sendPostedEvents                                                                                 qeventdispatcher_win.cpp       1093 0x7ffe1ae7e9aa 
37 QWindowsGuiEventDispatcher::sendPostedEvents                                                                            qwindowsguieventdispatcher.cpp 82   0x7ffe1a5a2164 
38 qt_internal_proc                                                                                                        qeventdispatcher_win.cpp       247  0x7ffe1ae7c53f 
39 CallWindowProcW                                                                                                         USER32                              0x7ffe4b501c84 
40 DispatchMessageW                                                                                                        USER32                              0x7ffe4b5015cc 
41 QEventDispatcherWin32::processEvents                                                                                    qeventdispatcher_win.cpp       640  0x7ffe1ae7ce93 
42 QWindowsGuiEventDispatcher::processEvents                                                                               qwindowsguieventdispatcher.cpp 74   0x7ffe1a5a2124 
43 QEventLoop::processEvents                                                                                               qeventloop.cpp                 139  0x7ffe1adaa94d 
44 QEventLoop::exec                                                                                                        qeventloop.cpp                 225  0x7ffe1adaab9f 
45 QCoreApplication::exec                                                                                                  qcoreapplication.cpp           1385 0x7ffe1adae4fa 
46 QGuiApplication::exec                                                                                                   qguiapplication.cpp            1785 0x7ffe1c553378 
47 QApplication::exec                                                                                                      qapplication.cpp               2894 0x7ffe1d34079a 
48 main                                                                                                                    main.cpp                       635  0x7ff7a636b625 
49 WinMain                                                                                                                 qtmain_win.cpp                 97   0x7ff7a6376bd5 
50 invoke_main                                                                                                             exe_common.inl                 107  0x7ff7a637551d 
51 __scrt_common_main_seh                                                                                                  exe_common.inl                 288  0x7ff7a637547e 
52 __scrt_common_main                                                                                                      exe_common.inl                 331  0x7ff7a637533e 
53 WinMainCRTStartup                                                                                                       exe_winmain.cpp                17   0x7ff7a6375599 
54 BaseThreadInitThunk                                                                                                     KERNEL32                            0x7ffe493184d4 
55 RtlUserThreadStart                                                                                                      ntdll                               0x7ffe4b94e851