error: invalid application of 'sizeof' to an incomplete type 'TestNamespace::Qt3DCore::QEntity'

agent:2020/08/17 07:30:16 build.go:302: In file included from .moc/moc_qraycasterhit.cpp:10:
agent:2020/08/17 07:30:16 build.go:302: In file included from .moc/../picking/qraycasterhit.h:43:
agent:2020/08/17 07:30:16 build.go:302: In file included from ../../include/Qt3DCore/qcomponent.h:1:
agent:2020/08/17 07:30:16 build.go:302: In file included from ../../include/Qt3DCore/../../src/core/nodes/qcomponent.h:43:
agent:2020/08/17 07:30:16 build.go:302: In file included from ../../include/Qt3DCore/qnode.h:1:
agent:2020/08/17 07:30:16 build.go:302: In file included from ../../include/Qt3DCore/../../src/core/nodes/qnode.h:43:
agent:2020/08/17 07:30:16 build.go:302: In file included from ../../include/Qt3DCore/qnodeid.h:1:
agent:2020/08/17 07:30:16 build.go:302: In file included from ../../include/Qt3DCore/../../src/core/nodes/qnodeid.h:44:
agent:2020/08/17 07:30:16 build.go:302: In file included from /Users/qt/work/install/include/QtCore/QDebug:1:
agent:2020/08/17 07:30:16 build.go:302: In file included from /Users/qt/work/install/include/QtCore/qdebug.h:48:
agent:2020/08/17 07:30:16 build.go:302: In file included from /Users/qt/work/install/include/QtCore/qtextstream.h:43:
agent:2020/08/17 07:30:16 build.go:302: In file included from /Users/qt/work/install/include/QtCore/qiodevice.h:45:
agent:2020/08/17 07:30:16 build.go:302: In file included from /Users/qt/work/install/include/QtCore/qobject.h:54:
agent:2020/08/17 07:30:16 build.go:302: /Users/qt/work/install/include/QtCore/qmetatype.h:1388:23: error: invalid application of 'sizeof' to an incomplete type 'TestNamespace::Qt3DCore::QEntity'
agent:2020/08/17 07:30:16 build.go:302:         static_assert(sizeof(T), "Type argument of Q_DECLARE_METATYPE(T*) must be fully defined");
agent:2020/08/17 07:30:16 build.go:302:                       ^~~~~~~~~
agent:2020/08/17 07:30:16 build.go:302: /Users/qt/work/install/include/QtCore/qmetatype.h:1669:25: note: in instantiation of template class 'TestNamespace::QtPrivate::IsPointerToTypeDerivedFromQObject<TestNamespace::Qt3DCore::QEntity *>' requested here
agent:2020/08/17 07:30:16 build.go:302:                      | (IsPointerToTypeDerivedFromQObject<T>::Value ? QMetaType::PointerToQObject : 0)
agent:2020/08/17 07:30:16 build.go:302:                         ^
agent:2020/08/17 07:30:16 build.go:302: /Users/qt/work/install/include/QtCore/qmetatype.h:2729:17: note: in instantiation of template class 'TestNamespace::QtPrivate::QMetaTypeTypeFlags<TestNamespace::Qt3DCore::QEntity *>' requested here
agent:2020/08/17 07:30:16 build.go:302:     /*.flags=*/ QMetaTypeTypeFlags<T>::Flags,
agent:2020/08/17 07:30:16 build.go:302:                 ^
agent:2020/08/17 07:30:16 build.go:302: /Users/qt/work/install/include/QtCore/qmetatype.h:2849:39: note: in instantiation of static data member 'TestNamespace::QtPrivate::QMetaTypeForType<TestNamespace::Qt3DCore::QEntity *>::metaType' requested here
agent:2020/08/17 07:30:16 build.go:302:         return &QMetaTypeForType<Ty>::metaType;
agent:2020/08/17 07:30:16 build.go:302:                                       ^
agent:2020/08/17 07:30:16 build.go:302: .moc/moc_qraycasterhit.cpp:158:1: note: in instantiation of variable template specialization 'TestNamespace::qt_incomplete_metaTypeArray<qt_meta_stringdata_Qt3DRender__QRayCasterHit_t, TestNamespace::QtPrivate::TypeAndForceComplete<TestNamespace::Qt3DRender::QRayCasterHit::HitType, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<TestNamespace::Qt3DCore::QNodeId, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<TestNamespace::Qt3DCore::QEntity *, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<float, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<TestNamespace::QVector3D, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<TestNamespace::QVector3D, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<unsigned int, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<unsigned int, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<unsigned int, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<unsigned int, std::__1::integral_constant<bool, true> >, TestNamespace::QtPrivate::TypeAndForceComplete<TestNamespace::QString, std::__1::integral_constant<bool, false> > >' requested here
agent:2020/08/17 07:30:16 build.go:302: qt_incomplete_metaTypeArray<qt_meta_stringdata_Qt3DRender__QRayCasterHit_t
agent:2020/08/17 07:30:16 build.go:302: ^
agent:2020/08/17 07:30:16 build.go:302: ../../include/Qt3DCore/../../src/core/nodes/qcomponent.h:50:7: note: forward declaration of 'TestNamespace::Qt3DCore::QEntity'
agent:2020/08/17 07:30:16 build.go:302: class QEntity;
agent:2020/08/17 07:30:16 build.go:302:       ^
agent:2020/08/17 07:30:16 build.go:302: 1 error generated.