If you’re like me you’ve been using the excellent Twitter Tools plugin for WordPress for a while now. Recently a client noticed that there was a sporadic error being shown that was similar to this: Warning: require_once() [function.require-once]: open_basedir restriction in effect. File(twitteroauth.php) is not within the allowed path(s): (/home/fern:/usr/lib/php:/usr/local/lib/php:/tmp) in /home/fern/public_html/wp-content/plugins/twitter-tools/twitter-tools.php on line 1516…