Just saw this error in my console:

Failed to call hook 'OnPlayerChat' on plugin 'BetterChat v5.2.14' (InvalidOperationException: Chat channel is set to Team, however the player is not in a team.)
at Oxide.Plugins.BetterChat.SendBetterChatMessage (Oxide.Plugins.BetterChat+BetterChatMessage chatMessage, ConVar.Chat+ChatChannel chatchannel) [0x0014b] in <8d24c98811514a3489047f65407fcc79>:0
at Oxide.Plugins.BetterChat.OnPlayerChat (BasePlayer bplayer, System.String message, ConVar.Chat+ChatChannel chatchannel) [0x00041] in <8d24c98811514a3489047f65407fcc79>:0
at Oxide.Plugins.BetterChat.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000ed] in <8d24c98811514a3489047f65407fcc79>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <206a0f2c6ee141f38e2ad549cde44d70>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[]

lol thats just a player typing in team while not in 1. its in the first line

So how does that get fixed so no error pops up if a player does that?

i think you can just filter out

however the player is not in a team.​

this should make it not appear in console any more. i use ConsoleFilter from right here on umod.