Compiled planner 2.0 "freezes" on splash screen

I am trying to get into Apm Planner 2.0 code. Downloaded sources from GitHub, and after some struggle managed to compile it with Qt Creator (I am running on a mac machine).
For some reason, when I run the program it freezes in the splash screen.
Trying to debug it, I see that it crashes in MainWindow.cc at

createDockWidget(simView,new PrimaryFlightDisplayQML(this),tr("Primary Flight Display"),
                 "PRIMARY_FLIGHT_DISPLAY_QML_DOCKWIDGET",VIEW_SIMULATION,Qt::RightDockWidgetArea);

Can someone direct me what to do ?

Thanks

Ran

What version of Qt are you using?