Could not connect to a fabric server

[crackun24]

velocity info: unable to connect to server Lobby
com.velocitypowered.proxy.util.except.QuietRuntimeException: The connection to the remote server was unexpectedly closed.
This is usually because the remote server does not have BungeeCord IP forwarding correctly enabled.
See https://velocitypowered.com/wiki/users/forwarding/ for instructions on how to configure player info forwarding correctly.
fabric server version : 1.20.1

not any input in fabric server
using velocity legacy mode