Warning: require_once(/var/www/html/vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/web/wp-config.php on line 8

Fatal error: Uncaught Error: Failed opening required '/var/www/html/vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /var/www/html/web/wp-config.php:8 Stack trace: #0 /var/www/html/web/wp/wp-load.php(55): require_once() #1 /var/www/html/web/wp/wp-blog-header.php(13): require_once('/var/www/html/w...') #2 /var/www/html/web/index.php(7): require('/var/www/html/w...') #3 {main} thrown in /var/www/html/web/wp-config.php on line 8