Fatal error: Uncaught PDOException: SQLSTATE[08006] [7] could not connect to server: Connection refused Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432? in /var/www/teachade/includes/database.php:9 Stack trace: #0 /var/www/teachade/includes/database.php(9): PDO->__construct('pgsql:host=loca...', 'teachade', 'L3@rnM3') #1 /var/www/teachade/includes/api.php(4): require_once('/var/www/teacha...') #2 /var/www/teachade/register.php(2): require('/var/www/teacha...') #3 {main} thrown in /var/www/teachade/includes/database.php on line 9