Warning: require_once(functions.inc.php): failed to open stream: No such file or directory in eval() (line 1 of /var/www/html/modules/php/php.module(80) : eval()'d code).

Fatal error: require_once(): Failed opening required 'functions.inc.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/html/modules/php/php.module(80) : eval()'d code on line 1