Problem with transitionCallback

Hi everyone,

i enable touchgfx in my project starting with cubeMX.

But it doen't run touchgfx.

I use MDK-ARM5 with uKeil.

In debug i see that after this instruction (inside gui_generated/common/FrontendApplicationBase.cpp)

transitionCallback = touchgfx::Callback<FrontendApplicationBase>(this, &FrontendApplication::gotoScreen1ScreenNoTransitionImpl);

it doesn't go in gotoScreen1ScreenNoTransitionImpl

void FrontendApplicationBase::gotoScreen1ScreenNoTransition()
{
    transitionCallback = touchgfx::Callback<FrontendApplicationBase>(this, &FrontendApplication::gotoScreen1ScreenNoTransitionImpl);
    pendingScreenTransitionCallback = &transitionCallback;
}
 
void FrontendApplicationBase::gotoScreen1ScreenNoTransitionImpl()
{
    makeTransition<Screen1View, Screen1Presenter, touchgfx::NoTransition, Model >(&currentScreen, &currentPresenter, frontendHeap, &currentTransition, &model);
}

What is it the problem?

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