qmlpuppet is crashing while open a subcomponent

msvcr100d.dll!memcpy(unsigned char * dst, unsigned char * src, unsigned long count)  Zeile 185	Asm
qml2puppet.exe!QmlDesigner::operator<<(QDataStream & out, const QmlDesigner::ValuesChangedCommand & command)  Zeile 115 + 0x23 Bytes	C++
qml2puppet.exe!QtMetaTypePrivate::QMetaTypeFunctionHelper<QmlDesigner::ValuesChangedCommand,1>::Save(QDataStream & stream, const void * t)  Zeile 738 + 0xd Bytes	C++
Qt5Cored.dll!QMetaType::save(QDataStream & stream, int type, const void * data)  Zeile 1314 + 0xb Bytes	C++
Qt5Cored.dll!QVariant::save(QDataStream & s)  Zeile 1964 + 0x1f Bytes	C++
Qt5Cored.dll!operator<<(QDataStream & s, const QVariant & p)  Zeile 1991	C++
qml2puppet.exe!QmlDesigner::NodeInstanceClientProxy::writeCommand(const QVariant & command)  Zeile 186 + 0xe Bytes	C++
qml2puppet.exe!QmlDesigner::NodeInstanceClientProxy::valuesChanged(const QmlDesigner::ValuesChangedCommand & command)  Zeile 201 + 0x2f Bytes	C++
qml2puppet.exe!QmlDesigner::Qt5InformationNodeInstanceServer::createScene(const QmlDesigner::CreateSceneCommand & command)  Zeile 236 + 0x4e Bytes	C++
qml2puppet.exe!QmlDesigner::NodeInstanceClientProxy::createScene(const QmlDesigner::CreateSceneCommand & command)  Zeile 342	C++
qml2puppet.exe!QmlDesigner::NodeInstanceClientProxy::dispatchCommand(const QVariant & command)  Zeile 451 + 0x37 Bytes	C++
qml2puppet.exe!QmlDesigner::NodeInstanceClientProxy::readDataStream()  Zeile 311	C++
qml2puppet.exe!QmlDesigner::NodeInstanceClientProxy::qt_static_metacall(QObject * _o, QMetaObject::Call _c, int _id, void * * _a)  Zeile 71 + 0x8 Bytes	C++
Qt5Cored.dll!QMetaObject::activate(QObject * sender, int signalOffset, int local_signal_index, void * * argv)  Zeile 3680 + 0x2e Bytes	C++