Again, people who have been "banned" from #bunnies, see inside... →[More:]
You're using Chatzilla, right?
Go to Tools > Options. Under Global Settings > General, find the field for Identity > Description.
Remove the default text and replace it with fascinating text of your choosing. You should now be able to connect.
And for the record, this is a problem with Slashnet. No one here has been specifically banned since this all started.