GameMenu - Failed to compile: Argument 2: cannot convert from 'Facepunch.StringView[]' to 'string[]' | Line: 134, Pos: 45

change lines 133 and 134 to the following

var isChat = arg.Args[0].ToString() == "chat";
SendCommand(arg.Connection, arg.Args.Skip(1).Select(x => x.ToString()).ToArray(), isChat);