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

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

Fatal error: require(): Failed opening required '/vendor/autoload.php' (include_path='.;/path/to/php/pear') in /home/psmartir/public_html/index.php on line 2