Invalid Argument
The destination URL of the cross-domain of Facebook Connect (http://xxxxxxx.it/index.php?option=com_ .... 087% 22% 7D) must provide the URL of the callback (http : / / www.xxxxxxxx.it) as a prefix. The callback URL can be configured in settings.
FB_RequireFeatures(["XFBML"],
function() {
FB.Facebook.init("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", "index.php?option=com_jfbconnect&view=xdreceiver&format=raw");
});
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