Warning: require_once(library/Cube/Application.php): failed to open stream: No such file or directory in /home/phppro/public_html/dev/init.php on line 42

Fatal error: require_once(): Failed opening required 'library/Cube/Application.php' (include_path='/home/phppro/public_html/dev') in /home/phppro/public_html/dev/init.php on line 42