Error

package pl.planetamc.channels.Command;

import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import pl.planetamc.channels.Config;
import pl.planetamc.channels.Main;

public class ChannelsCommand implements CommandExecutor
{

    private Main plugin;
    private Config config = Main.config;

    public ChannelsCommand(Main plugin)
    {
        this.plugin = plugin;
    }

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args)
    {
        if (args.length < 1)
        {
            channelshelp(sender, label);
            return true;
        }
        if (args[0].equalsIgnoreCase("reload"))
        {
            if (sender.hasPermission(plugin.reloadPerm))
            {
                config.setup();
                sender.sendMessage(config.ChannelsReloaded());
            }
            else
            {
                sender.sendMessage(config.ChannelsNoPermission());
            }
            return true;
        }
        channelshelp(sender, label);
        return true;
    }

    private void channelshelp(CommandSender sender, String label)
    {
        for(int x = 0; x < config.messageHelp().size(); x++) sender.sendMessage(config.messageHelp().get((int)x));
    }
}


> channels reload
[12:03:20 WARN]: Unexpected exception while parsing console command "channels reload"
org.bukkit.command.CommandException: Unhandled exception executing command 'channels' in plugin PMC-Channels v1.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.dispatchCommand(CraftServer.java:761) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.dispatchServerCommand(CraftServer.java:723) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.DedicatedServer.handleCommandQueue(DedicatedServer.java:470) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:432) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1238) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:969) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.NullPointerException
        at pl.planetamc.channels.Config.ChannelsReloaded(Config.java:58) ~[?:?]
        at pl.planetamc.channels.Command.ChannelsCommand.onCommand(ChannelsCommand.java:33) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        ... 8 more
[12:03:24 INFO]: Kamil02167 issued server command: /channels reload
[12:03:24 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'channels' in plugin PMC-Channels v1.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.dispatchCommand(CraftServer.java:761) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.PlayerConnection.handleCommand(PlayerConnection.java:1872) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:1680) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:43) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.MinecraftServer.ba(MinecraftServer.java:1161) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1154) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1130) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:973) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.NullPointerException
        at pl.planetamc.channels.Config.ChannelsNoPermission(Config.java:64) ~[?:?]
        at pl.planetamc.channels.Command.ChannelsCommand.onCommand(ChannelsCommand.java:37) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.15.2.jar:git-Tuinity-"f355806"]
        ... 17 more