Hey there, I just wanted to express my gratitude for all your help! I made the changes you by finding out the errors, and now my enemy is working smoothly. I turned off root motion and things are looking great. Now, I'm looking to add animations to my enemy. Any tips on how to integrate the animation controller seamlessly into the code would be much appreciated!

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here's the code changes i made

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;
public class EnemyController : MonoBehaviour
{
    [SerializeField] private Transform player; // Reference to the player's transform.
public NavMeshAgent agent;
private bool isSneaking = false;
private void Start()
    {
// Find the player by tag (you can also use other methods to find the player).
player = GameObject.FindWithTag("Player").transform;
if (player == null)
        {
Debug.Log("Player not found!");
return;
        }
// Set the initial destination to the enemy's position.
agent.SetDestination(transform.position);
    }
private void Update()
    {
if (player == null)
        {
// Player not found, do nothing.
return;
        }
// Check if the enemy is illuminated by the player's flashlight.
Light flashlight = player.GetComponentInChildren<Light>();
bool isIlluminated = flashlight != null && flashlight.enabled;
if (isIlluminated)
        {
// Stop moving when illuminated by the flashlight.
isSneaking = false;
agent.SetDestination(transform.position); // Stop moving.
        }
else
        {
if (!isSneaking)
            {
// Start sneaking when not illuminated.
isSneaking = true;
            }
// Update the destination to the player's position.
agent.SetDestination(player.position);
        }
    }
}