I have a similar problem, my version is 2.8.26. When I click on the Facebook button I get a 404 Page not found, it seems there is a slash missing in the code: I get: "<a href="https://www.facebook.com/sharer.php?u=http://www.vlaamseradio.tk/ myfaqindex .php?action=artikel&cat=3&id=1&artlang=Dnl ...