Default homepage is show instead of my static homepage

Hello, I created a custom homepage but however it isn’t show when opening my website. Instead the default homepage or the template of the front page is shown.

I already did check the reading settings and I can’t find problem. Also in Gutenberg my dedicated front page is indicated as such.

Maybe it has something to do with the theme (twenty twenty-four)? But also there in the customization tab the few setting

The page I need help with: [log in to see the link]