Stuck on Initialization I think (minecraft)

[slow robin]

This is my structure.
DuelAnywhere
managers > DuelManager
utils > OngoingDuel

In main class I have (DuelAnywhere)

public final class DuelAnywhere extends JavaPlugin {
private DuelManager duelManager;

@Override
public void onEnable() {
  this.duelManager = new DuelManager(this);
}

In DuelManager class I have

public class DuelManager {
  private final DuelAnywhere plugin;

  public DuelManager(DuelAnywhere plugin) {
    this.plugin = plugin;
  }

public OngoingDuel getOngoingDuelByPlayer(Player player) {
        for (OngoingDuel ongoingDuel : ongoingDuels) {
            if (ongoingDuel.player1().equals(player) || ongoingDuel.player2().equals(player)) {
                return ongoingDuel;
            }
        }
        return null; // Player is not part of any ongoing duel
    }
}

In OngoingDuel class I have (record)

public record OngoingDuel(Player player1, Player player2, double betAmount, Location arenaLocation) {
}

In my DuelManager class I can call this method and it returns the correct information with everything I need.

getOngoingDuelByPlayer(player);

However if I try to use this method in my main class it always returns null and I'm not really sure why.

[vestal glen]

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[slow robin]

I received help from someone. I was creating two instance of my DuelManager.