Fatal error: Uncaught mysqli_sql_exception: No such file or directory in /var/www/html/research/secure/connection.php:20 Stack trace: #0 /var/www/html/research/secure/connection.php(20): mysqli_connect() #1 /var/www/html/research/register-fresh.php(21): include('...') #2 {main} thrown in /var/www/html/research/secure/connection.php on line 20