Posts: the articles does not appear

Good day,
all the posts that I created are displayed on the home page and in the NEWS.
First Error:
If I click on a single post to see the page, the articles does not appear.
One of my plug-in is Yoast SEO.

http://www.cargomar.it/news/ —> YES
http://www.cargomar.it/imo-shipping-e-cambiamento-climatico/ —> NOT

Thanks for your prompt reply
Regards
Danilo

https://ww.wp.xz.cn/plugins/posts/