java.lang.NullPointerException

[JuicySeals]

Here is the error:

Error Exception in thread "Client thread" java.lang.ExceptionInInitializerError at bedless.RPC.start(RPC.java:24) at net.minecraft.client.Minecraft.(Minecraft.java:384) at net.minecraft.client.main.Main.main(Main.java:113) Caused by: java.lang.NullPointerException at net.arikia.dev.drpc.DiscordRPC.copyFile(DiscordRPC.java:165) at net.arikia.dev.drpc.DiscordRPC.loadDLL(DiscordRPC.java:153) at net.arikia.dev.drpc.DiscordRPC.(DiscordRPC.java:21) ... 3 more

Here is the code

package bedless;

import java.util.Date;

import com.ibm.icu.text.SimpleDateFormat;

import net.arikia.dev.drpc.DiscordEventHandlers;
import net.arikia.dev.drpc.DiscordRPC;
import net.arikia.dev.drpc.DiscordRichPresence;
import net.arikia.dev.drpc.DiscordUser;
import net.arikia.dev.drpc.callbacks.ReadyCallback;

public class RPC extends Client {

    DiscordEventHandlers handlers = new DiscordEventHandlers.Builder().setReadyEventHandler(new ReadyCallback() {
        @Override
        public void apply(DiscordUser user) {

          }
    }).build();

    public void start() {

          DiscordRPC.discordInitialize("858420957680762881", handlers, true);

          DiscordRichPresence rich = new DiscordRichPresence.Builder("Idle").setBigImage("bedlessmain", "bedlessmain").setStartTimestamps(System.currentTimeMillis()).build();            
          DiscordRPC.discordUpdatePresence(rich);
    }

    public void stop() {

        DiscordRPC.discordShutdown();
    }

    public void joinServer() {
        DiscordRichPresence rich = new DiscordRichPresence.Builder("Idle").setBigImage("bedlessmain", "bedlessmain").build();
        DiscordRPC.discordUpdatePresence(rich);
    }
}