Fatal error: Uncaught Error: Class "mysqli" not found in /var/www/html/public/index.php:35 Stack trace: #0 /var/www/html/public/index.php(24): think\findmysql() #1 /var/www/html/index.php(16): require('/var/www/html/p...') #2 {main} thrown in /var/www/html/public/index.php on line 35