Fatal error: Uncaught Error: Class 'PDO' not found in /home/turkchat/public_html/application/config/db.php:11 Stack trace: #0 /home/turkchat/public_html/application/config/web.php(89): require() #1 /home/turkchat/public_html/index.php(17): require('/home/turkchat/...') #2 {main} thrown in /home/turkchat/public_html/application/config/db.php on line 11