Fatal error: Uncaught Exception: The composer packages are missing. in /var/www/html/load.php:211 Stack trace: #0 /var/www/html/load.php(307): preInit() #1 /var/www/html/index.php(12): require('/var/www/html/l...') #2 {main} thrown in /var/www/html/load.php on line 211