Warning: require(application/config/constants.php) [function.require]: failed to open stream: No such file or directory in D:\Websites\vhosts\melodic.net\httpdocs\system\core\CodeIgniter.php on line 62

Fatal error: require() [function.require]: Failed opening required 'application/config/constants.php' (include_path='.;./includes;./pear') in D:\Websites\vhosts\melodic.net\httpdocs\system\core\CodeIgniter.php on line 62