Fatal error: Uncaught Error: Undefined constant "PHPFusion\COOKIE_DOMAIN" in /var/www/clients/client1/web2/web/includes/classes/PHPFusion/Authenticate.php:535
Stack trace:
#0 /var/www/clients/client1/web2/web/infusions/forum/infusion_db.php(51): PHPFusion\Authenticate::setLastVisitCookie()
#1 /var/www/clients/client1/web2/web/includes/classes/PHPFusion/Installer/Infusions.php(47): include('...')
#2 /var/www/clients/client1/web2/web/maincore.php(307): PHPFusion\Installer\Infusions::loadConfiguration()
#3 /var/www/clients/client1/web2/web/index.php(18): require_once('...')
#4 {main}
thrown in /var/www/clients/client1/web2/web/includes/classes/PHPFusion/Authenticate.php on line 535