I can't enter servers

My problem is that I have a rented server and before 1.18.1 it was playing normal but when I update I can't play because it doesn't load the server, it doesn't matter if I run it on the server or the pc, it doesn't matter what I do and the same thing happens to me in android (android 5.0.1) and it is annoying not being able to play on my private server