I cant join to cubecraft

[Minden1]

" Hello greetings.

I was playing eggwars and suddenly it kick me out of the game, my friends says that I was ban but when I try to join the game it says me this:

Can you help me pls?

 

[matcha]

Hello the 'disallowed connection' message is usually a precursor, please wait for a bit for a sentinel message to show up.

 

[Akaweke]

IceScreams what does the disallowed connection mean