Can't join any channel from WA

[SCS]

I try to connect WA to my local irc server (UnrealIRCd), WA connected. But WA failed join to any channel. From snooper all good.
wtf?

[StepS]

This happens for most of IRC networks which were not made with WormNET specification.
Trying to join any channel on a non-WormNET server will fail in WA.