Minecraft GunGame JoinSign?

So I want to create a JoinSign in my GunGame plugin I did it, but when I click on the sign I only get a message where it says: The round is full or not active.

I would like to ask you to take a look

Sign Manager

https://hasteb.in/azuhopaw.java

Main

https://hasteb.in/uwebokek.swift

I would be glad about a quick answer!

Would you be so friendly and send a properly indented code, you can't follow where the clip is going…

If you first learn Java then vlt.