Create a new version of paste:

package com.elitios.guard.region;

import com.elitios.core.areas.FakeSelection;
import com.elitios.core.messagetypes.EconomyPriceMessage;
import com.elitios.core.models.Creator;
import com.elitios.core.models.PlayerInfos;
import com.elitios.core.models.Task;
import com.elitios.core.models.waiter.TextWaiter;
import com.elitios.economy.playereconomies.EconomyPlayer;
import com.elitios.guard.MainPlugin;
import com.elitios.guard.region.commands.Flag;
import com.sk89q.worldedit.LocalSession;
import com.sk89q.worldedit.world.World;
import net.md_5.bungee.api.chat.ClickEvent;
import net.md_5.bungee.api.chat.ComponentBuilder;
import net.md_5.bungee.api.chat.HoverEvent;
import net.md_5.bungee.api.chat.TextComponent;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
import org.bukkit.event.player.AsyncPlayerChatEvent;

import java.util.*;

public class RegionCreator extends PlayerInfos implements Creator {
    private RegionBuilder regionBuilder;

    public RegionCreator(Player player) {
        super(player);
        this.regionBuilder = RegionBuilder.partialregions.get(player.getUniqueId());
    }

    @Override
    public void confirmation() {
        ComponentBuilder componentBuilder = new ComponentBuilder(ChatColor.AQUA + "Voulez-vous continuer la création de la région ? ");
        componentBuilder.append(ChatColor.GREEN + "Suivant")
                .event(new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/region create step"))
                .event(new HoverEvent(HoverEvent.Action.SHOW_TEXT, TextComponent.fromLegacyText("Étape suivante")));
        player.spigot().sendMessage(componentBuilder.create());
    }

    @Override
    public void finishConfirmation() {
        ComponentBuilder componentBuilder = new ComponentBuilder(ChatColor.AQUA + "Voulez-vous finir la création de cette région ? ");
        componentBuilder.append(new EconomyPriceMessage("La création de celle-ci vous coûtera la somme de %value%",regionBuilder.build().getCreationPrice() + regionBuilder.build().getPropertiesPrice()).create());
        componentBuilder.append(" ");
        componentBuilder.append(ChatColor.GREEN + "Valider")
                .event(new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/region create finish"))
                .event(new HoverEvent(HoverEvent.Action.SHOW_TEXT, TextComponent.fromLegacyText("Finir la création de la région.")));
        player.spigot().sendMessage(componentBuilder.create());
    }

    @Override
    public void finish() {
        Long priority = System.currentTimeMillis();
        Set<UUID> owners = new HashSet<>();
        owners.add(uuid);
        HashMap<UUID, Set<RegionPermission>> regionPlayerPermission = new HashMap<>();
        Set<RegionPermission> OwnerregionPermissions = new HashSet<>(Arrays.asList(RegionPermission.values()));
        regionPlayerPermission.put(uuid, OwnerregionPermissions);
        regionBuilder.withCreator(uuid);
        regionBuilder.withPriority(priority);
        regionBuilder.withFlag(new Flag());
        regionBuilder.withBanneds(new HashSet<>());
        regionBuilder.withOwners(owners);
        regionBuilder.withMembers(regionPlayerPermission);
        EconomyPlayer.get(uuid).withdraw(regionBuilder.build().getCreationPrice());
        regionBuilder.build().set();
        player.sendMessage("§7La région §7" + regionBuilder.getName() + " §7a été définie.");
    }

    public static class CreateRegion implements Task {

        @Override
        public void run(Player player, Object... args) {
            RegionBuilder regionBuilder = RegionBuilder.partialregions.get(player.getUniqueId());
            LocalSession localSession = MainPlugin.getWorldEdit().getSession(player);
            World world = localSession.getSelectionWorld();
            com.sk89q.worldedit.regions.Region selection = null;
            try {
                selection = localSession.getSelection(world);
            } catch (Exception e) {
                player.sendMessage(ChatColor.RED + "Vous n'avez fait aucune sélection WorldEdit ! Veuillez recommencer la création d'une région.");
                player.closeInventory();
                return;
            }
            FakeSelection fakeSelection = new FakeSelection(selection.getMinimumPoint().toVector3(), selection.getMaximumPoint().toVector3(),world.getName());
            if (Regions.isOverlaid(fakeSelection.getCuboidRegion())) {
                player.sendMessage(ChatColor.RED + "La région que vous tentez de créer existe déjà ou se superpose sur une autre région qui ne vous appartient pas !");
                return;
            }
            //TODO Check if it is in a city

            regionBuilder.withWorldname(world.getName());
            regionBuilder.withSelection(fakeSelection);
            player.closeInventory();
            new RegionCreator(player).finishConfirmation();
        }
    }

    @Override
    public void clearAcquisitors() {
        RegionBuilder.partialregions.remove(uuid);
        new TextWaiter().getFor(player).remove();
    }

    @Override
    public void run(Player player, Object... args) {
        event((AsyncPlayerChatEvent) args[0]);
    }

    @Override
    public void event(AsyncPlayerChatEvent event) {
        String message = event.getMessage();
        init(event.getPlayer());
        if (Regions.regions.containsKey(message)){
            player.sendMessage(ChatColor.RED + "Le nom spécifié est déjà utilisé pour une autre région sur ce serveur. Veuillez en spécifier un autre !");
            return;
        }
        regionBuilder.withName(message);
        regionBuilder.partialUpdate(uuid);
        new TextWaiter().getFor(player).remove();
        new RegionsPermissions(player,false).run(player, "Permissions de la Région par défaut :");
    }
}