Fatal error: Uncaught Error: Call to undefined function mssql_connect() in /var/www/html/realestateschool-demo/inc/db.php:4 Stack trace: #0 /var/www/html/realestateschool-demo/login.php(2): require_once() #1 {main} thrown in /var/www/html/realestateschool-demo/inc/db.php on line 4