Warning: require(../vendor/autoload.php): failed to open stream: No such file or directory in /home1/summitau/public_html/newsletter.php on line 5

Warning: require(../vendor/autoload.php): failed to open stream: No such file or directory in /home1/summitau/public_html/newsletter.php on line 5

Fatal error: require(): Failed opening required '../vendor/autoload.php' (include_path='.:/opt/php56/lib/php') in /home1/summitau/public_html/newsletter.php on line 5