Error

package uz.rtm.digitalgenerationbootcamp;


import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.squareup.picasso.Picasso;


public class FragmentHome extends Fragment {

    private View HomeView;
    private RecyclerView myHomeList;

    private DatabaseReference HomeRef, UsersRef;
    private FirebaseAuth mAuth;
    private String currentUserID;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        HomeView = inflater.inflate(R.layout.fragment_home, container, false);

        myHomeList = (RecyclerView) HomeView.findViewById(R.id.home_list);
        myHomeList.setLayoutManager(new LinearLayoutManager(getContext()));

        mAuth = FirebaseAuth.getInstance();
        currentUserID = mAuth.getCurrentUser().getUid();
        HomeRef = FirebaseDatabase.getInstance().getReference().child("HomeModul").child(currentUserID);
        UsersRef = FirebaseDatabase.getInstance().getReference().child("Users");

        return HomeView;
    }

    @Override
    public void onStart() {
        super.onStart();
        FirebaseRecyclerOptions options = new FirebaseRecyclerOptions.Builder<HomeModul>()
                .setQuery(HomeRef, HomeModul.class).build();

        FirebaseRecyclerAdapter<HomeModul, HomeViewHolder> adapter = new FirebaseRecyclerAdapter<HomeModul, HomeViewHolder>(options) {
            @Override
            protected void onBindViewHolder(@NonNull final HomeViewHolder holder, int position, @NonNull HomeModul homeModul) {
                String usersIDs = getRef(position).getKey();

                UsersRef.child(usersIDs).addValueEventListener(new ValueEventListener() {
                    @Override
                    public void onDataChange(@NonNull DataSnapshot dataSnapchot) {
                        if (dataSnapchot.hasChild("image"))
                        {
                            String userImage = dataSnapchot.child("image").getValue().toString();
                            String profileName = dataSnapchot.child("name").getValue().toString();
                            String profileStatus = dataSnapchot.child("status").getValue().toString();

                            holder.userName.setText(profileName);
                            holder.userStatus.setText(profileStatus);
                            Picasso.get().load(userImage).placeholder(R.drawable.user_home).into(holder.profileImage);
                        }
                        else
                        {
                            String profileName = dataSnapchot.child("name").getValue().toString();
                            String profileStatus = dataSnapchot.child("status").getValue().toString();

                            holder.userName.setText(profileName);
                            holder.userStatus.setText(profileStatus);
                        }
                    }

                    @Override
                    public void onCancelled(@NonNull DatabaseError error) {

                    }
                });
            }

            @NonNull
            @Override
            public HomeViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
                View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.data_display_home, viewGroup, false);

                HomeViewHolder viewHolder = new HomeViewHolder(view);
                return viewHolder;
            }
        };
        myHomeList.setAdapter(adapter);
        adapter.startListening();
    }

    public static class HomeViewHolder extends RecyclerView.ViewHolder
    {
        TextView userName, userStatus;
        ImageView profileImage;

        public HomeViewHolder(@NonNull View itemView)
        {
            super(itemView);

            userName = itemView.findViewById(R.id.user_name_home);
            userStatus = itemView.findViewById(R.id.user_status_home);
            profileImage = itemView.findViewById(R.id.img_home);
        }
    }
}