the problem is curious and I don't know if it is only me who it happens to but about 3 months ago I had a problem with minecraft and that when I want to fly with my elitros when it comes to going up, the world closes to me and I get a message that says "an invalid movement has been detected in the player" and when I close the message a server sends me, this had already happened to me a while ago and it only solved. but it happened again and I don't understand what it is
I only know what happens in 1.12.2