Solved Plugin is red and wont run need help finding the error

New Error plugin is

Code:

Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
        at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader
.java:98) ~[bukkit.jar:git-Bukkit-18fbb24]
        at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66) ~[bukkit
.jar:git-Bukkit-18fbb24]
        at devon.gui.shop.methods.<init>(methods.java:26) ~[?:?]
        at devon.gui.shop.main.onCommand(main.java:52) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[buk
kit.jar:git-Bukkit-18fbb24]
        ... 15 more
Caused by: java.lang.IllegalStateException: Initial initialization

The main class is here... Started coding without plan and it looks like cancer

Code:

package devon.gui.shop;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.java.JavaPlugin;

import net.milkbowl.vault.economy.Economy;

public class main extends JavaPlugin{
    public static Economy econ = null;
   
    @Override
    public void onEnable(){
        if (!setupEconomy() ) {
            getLogger().severe(String.format("[%s] - Disabled due to no Vault dependency found!", getDescription().getName()));
            getServer().getPluginManager().disablePlugin(this);
            return;
        }
    }
   
    private boolean setupEconomy() {
        if (getServer().getPluginManager().getPlugin("Vault") == null) {
            return false;
        }
        RegisteredServiceProvider<Economy> rsp = getServer().getServicesManager().getRegistration(Economy.class);
        if (rsp == null) {
            return false;
        }
        econ = rsp.getProvider();
        return econ != null;
    }
   
    @Override
    public void onDisable(){
        this.saveConfig();
    }
   
   
   
    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String lable, String[] args) {
        Player p = (Player) sender;
        if(p.hasPermission("shop.admin") || p.isOp()){
            if(cmd.getName().equalsIgnoreCase("shop") && args.length==0){
                methods m = new methods(p,econ);
                m.shopGUI(p);
                return true;
            }
                if(args.length<1 || args.length>=3){
                    p.sendMessage(ChatColor.RED+"Incorrect Args! Use /addshop <section> <price>\nThe sections are:\n-Block\n-Spawner\n-Dyes\n-Raiding\n-Potions\n-Mob\n-Farming\n-Mining\n-Containers");
                    return false;
                }
                else if(args.length==2){
                    if(cmd.getName().equalsIgnoreCase("addshop")){
                            String[] a = {"Block","Spawner","Dyes","Raiding","Potions","Mob","Farming","Mining","Containers"};
                            for(int i = 0; i<9;i++){
                                if(args[1].equalsIgnoreCase(a[i])){
                                    ItemStack x = p.getItemInHand();
                                    this.getConfig().set(args[0].toLowerCase()+".idList", this.getConfig().getIntegerList(args[1].toLowerCase()).add(x.getTypeId()));
                                    this.getConfig().set(args[0].toLowerCase()+".amountList", this.getConfig().getIntegerList(args[1].toLowerCase()).add(x.getAmount()));
                                    this.getConfig().set(args[0].toLowerCase()+".priceList", this.getConfig().getIntegerList(args[1].toLowerCase()).add(x.getAmount()));
                                    this.saveConfig();
                                    return true;
                                }
                            }
                            p.sendMessage(ChatColor.RED+"Incorrect Args! Use /shop add <section> <price>\nThe sections are:\n-Block/n-Spawner/n-Dyes/n-Raiding/n-Potions/n-Mob/n-Farming/n-Mining/n-Containers");
                            return false;
                    }       
                   
                }
               
            }
       
        if(cmd.getName().equalsIgnoreCase("shop")){
            methods m = new methods(p,econ);
            m.shopGUI(p);
            return true;
        }
        return false;
    }
   
   
}

 

@dbaum102
One of two things is causing that error.

1). You have two classes in your plugin that extend JavaPlugin
2). You have two plugins in your /plugins folder that have the same main class in the plugin.yml

Reference: https://bukkit.org/threads/pluginalreadyinitialized-exception.214917/

 

tyvm