Support » Plugins » 'Service Unavailable' error on live site

  • I’m only seeing this error on my live site, it works fine on the local version.

    Warning: simplexml_load_string() [function.simplexml-load-string]: Entity: line 1: parser error : Start tag expected, ‘<‘ not found in /home/content/22/6414322/html/test/wp-content/plugins/youtube-sidebar-widget/youtube-sidebar-widget.php on line 82

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