Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: NO) in /home2/iciain/public_html/quizzy/institute/verify.php:4 Stack trace: #0 /home2/iciain/public_html/quizzy/institute/verify.php(4): mysqli_connect('localhost', 'root', '', 'quizzy') #1 {main} thrown in /home2/iciain/public_html/quizzy/institute/verify.php on line 4