Social sharing

I’ve noticed that with newest 1.3.1 version of Rookie theme, if I try to share a post or a page in facebook (even by a simple copy-and-paste of the address in facebook status), it appears a title with duplicate blog title and without featured image.
I don’t know if this fault is due to the “All in one SEO” plugin or to the Rookie theme update….please help.
The site is https://www.hcfalconara.it
Thanks.
Bye
Paolo