facebook sharing not working suddenly

updated to latest wp and now my wp posts are not being shared with facebook. i have followed all the steps of deleting the connection and then adding it again but still wont work. any advice ? help? please its very frustrating

wp site is http://www.theshtetlvoice.com.au

fb page is https://www.facebook.com/pages/The-Shtetl-Voice/225063967643286

thanks in advance