Limewire won't connect anymore!!!

Ok, so I've never posted here before but I've been using Limewire for several years now, and I've run into a problem I don't quite understand. Just last week it was working fine, but now all of the sudden it will not connect! I keep trying and trying but it just won't work. I know it's not an internet or firewall problem, as my internet connection is fine, and I've never had any firewall problems before (so I can't see why I'd have them now). Anyway I'm on a macOS9 and am using the most recent beta version. Any help here would be much appreciated!

Thanks.