Can't connect: "Connection Lost: Timed Out"

[Zephy]

Whenever I try to log in SkyFactory 2.5B it keeps saying Timed Out and I can't join. This strangely only applies for SkyFactory 2.5B. I can successfully log in to A but not B.

 

[Zephy]

I even tried deleting and reinstalling the mudpack. It doesn't work