Failed to connect to server (My Server) 1.16.5

[LeonardoRR]

I need help, I can't enter my server, from one day to another I couldn't connect anymore, that LOG is what I get when I log in, I already tried with another launcher and with another account but it marks the same error, my friends They can still play on the server, and I being the owner of the server I can't enter haha

please help

 

[02:34:32] [Netty Epoll Server IO #2/ERROR] [ne.mi.fm.ne.NetworkRegistry/NETREGISTRY]: Channels [carryon:carryonpackets] rejected their client side version number[02:34:32] [Netty Epoll Server IO #2/ERROR] [ne.mi.fm.ne.FMLHandshakeHandler/FMLHANDSHAKE]: Terminating connection with client, mismatched mod list[02:34:32] [Server thread/INFO] [minecraft/ServerLoginNetHandler]: com.mojang.authlib.GameProfile@******[id=<null>,name=LeonardoRR,properties={},legacy=false] lost connection: Connection closed - mismatched mod channel list

[LeonardoRR]

Thank you very much, the version was wrong, I do not understand how it was updated, after that other problems arose but I solved them, thank you very much for the help