Can't join

i writed the ip correctly, i jointed before, and today i tried to join and it says a error to the ping bar. my friends can join to the server but i can't. what can i do to join?

"the server not found"

when i try to join. on the server list it says "error"

Quote from Toothy

Screenshot

wait a minute

here you go

Quote from AlexanderSniper1

Are you sure you typed the correct IP?

yes, i chacked like 30 times now

okay, i'll try it. thank you