Fatal error: Uncaught Error: Class 'mysqli' not found in /var/www/html/lachish/classes/DB.php:31 Stack trace: #0 /var/www/html/lachish/classes/DB.php(46): DB->__construct() #1 /var/www/html/lachish/classes/User.php(12): DB::getInstance() #2 /var/www/html/lachish/core/init.php(59): User->__construct() #3 /var/www/html/lachish/business.php(2): require_once('/var/www/html/l...') #4 {main} thrown in /var/www/html/lachish/classes/DB.php on line 31