Database connection failed!
Stack Trace:
File: /var/www/tempus.unb.br/lib/pkp/includes/bootstrap.inc.php line 41
Function: PKPApplication->__construct()
File: /var/www/tempus.unb.br/index.php line 65
Function: require("/var/www/tempus.unb.br/lib/pkp/includes/bootstrap.inc.php")