Warning: require() [function.require]: URL file-access is disabled in the server configuration in [path]/global.php(405) : eval()'d code on line 2

Warning: require(http://www.acorndomains.co.uk/includes/dropclock.php) [function.require]: failed to open stream: no suitable wrapper could be found in [path]/global.php(405) : eval()'d code on line 2

Fatal error: require() [function.require]: Failed opening required 'http://www.acorndomains.co.uk/includes/dropclock.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/acorndom/public_html/global.php(405) : eval()'d code on line 2