Warning: require_once(../vendor/autoload.php): failed to open stream: No such file or directory in /home/r60439casa/public_html/index.php on line 2

Fatal error: require_once(): Failed opening required '../vendor/autoload.php' (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/r60439casa/public_html/index.php on line 2