QML Module not found with registered types

[sandro4912]

I have the following Issue:

In main.qml

These types are registered in main.cpp:

Thse classes are defined in the include folder:

My folder structure looks like this:

Do I have to modify QML_IMPORT_PATH in the pro file? I added src and include folder but it does not work:

QML_IMPORT_PATH += src
QML_IMPORT_PATH += include