BungeeCord Lag

Hello,

im running Bungeecord for like 4days and everything was fine and no lag,
Since 2h the proxy is spamming errors and warnings:

IOException : Connection reset by peer @ sun.nio.ch.FileDispatcherImpl:-2

and

ReadTimoutException:null

and

[Proxy] Lost connection to server.

and everyone keep getting kicked off the server!
I saw some posts where they said you should check if every server have
connection throttle to -1
and online mode false
but i checked and every server have correct...

BungeeCord Lag