Cannot post using newly-purchased Newspaper Theme

Hello, I’ve been trying since a bit after 8 AM today to get some help with this, but it seems my posts are for some reason being ignored (while other posters long after me are receiving plentiful responses). I purchased the Newspaper Theme last week, but I cannot create posts any longer, and nor can I access the Ads tab (it just spins around and around when I try to access it). There seems to somehow be some code in the Sidebars tab. I don’t know the origin of this code, but it seems very lengthy. The builder of my site has been unable to fix it; he tried reinstalling the theme and reinstalling it, but to no avail. I will very much need some assistance with this asap, and thanks.