patent granite@iron scroll; It looks like your browser is unable to reach the Wings.
Make sure that your wings are running using systemctl status wings and that your Wings ports (by default 8080/2022) are open in your firewall or router. This website can check your ports https://dnschecker.org/port-scanner.php
Browser console errors can also provide additional debugging information. More troubleshooting steps can be found at https://pterodactyl.io/panel/1.0/troubleshooting.html#cannot-connect-to-server-errors
Should the panel and wings be located on the same network, you might experience NAT reflection issues. In that case, type .nat for more information.
iron scroll