Fatal error: Uncaught Error: Class "Drupal\Core\Runtime\DrupalRuntime" not found in /var/www/vendor/autoload_runtime.php:19 Stack trace: #0 /var/www/web/autoload_runtime.php(22): require() #1 /var/www/web/index.php(13): require_once('/var/www/web/au...') #2 {main} thrown in /var/www/vendor/autoload_runtime.php on line 19