Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/html/mathpass/base/mysqli_update.php:14 Stack trace: #0 /var/www/html/mathpass/base/databaseManager.php(37): mysql_connect('localhost', 'root', 'llibcom2') #1 /var/www/html/mathpass/base/baseForm.php(35): DatabaseManager->DatabaseManager() #2 /var/www/html/mathpass/base/baseForm.php(254): BaseForm->BaseForm() #3 /var/www/html/mathpass/register.php(2): include_once('/var/www/html/m...') #4 {main} thrown in /var/www/html/mathpass/base/mysqli_update.php on line 14