Shoutbox

It doesn't because your server is not capapble of handling the high number of users and your script was using a synchronous method to load the xml file which could then cause Messenger to freeze (and apparently display unfriendly errors to people when the server can't be reached).

The line I gave should indeed fix it as it will remove the call that downloads the file (although I don't know what the script does afterwards with the data). You should have updated your script to do an async download .