Hello Bogdan,

I have just contacted support via email and I have fixed the issue. Thank you very much.

I will still right down below so other users creating a news site have no issue:

The fix was simple guys, in other themes you just select the normal image from the post menu and it adds it as a featured image, in newspaper you have to only put one meaning that just upload your featured image from the sidebar and this issue will not be there. Hope this helps 🙂