php do_shortcode implementation not working on blog / index page

I’m using php shortcode to paste the buttons in the footer of every page and I’ve found a weird bug – it shows up correctly on every page apart from my blog/post page which uses the main index.php page. Any ideas why it might do that? Its fine on all other pages including blog article pages.

https://ww.wp.xz.cn/plugins/cresta-social-share-counter/