Warning: require(/var/www/site/vendor/craftcms/cms/bootstrap/web.php): failed to open stream: No such file or directory in /var/www/site/prod/index.php on line 20

Fatal error: require(): Failed opening required '/var/www/site/vendor/craftcms/cms/bootstrap/web.php' (include_path='.:/usr/share/php') in /var/www/site/prod/index.php on line 20