this happens when tracker error occur is updating or finding peers ...
wait @least an hour or more ...
if it doesn't highlight those torrent w/ error right click and do a [Force] "update tracker" ...
exit and reboot or restart your client ...
re-download those torrent or do a Force re-check to refresh hash info ...
make sure that those torrent are valid, if you reset your passkey, [it doesn't work you need to re-download] ...
http://tracker.gaytorrent.tw:2710/<number>/announce. is your unique torrent id w/ hash info when you downloaded here ...
or write to helpdesk : https://www.gaytor.rent/helpdesk.php