fix: console error "Failed to create agent"

Assets/Scripts/Enemy/EnemyMovement.cs

@@ -22,9 +22,10 @@ public class EnemyMovement : MonoBehaviour
     void Update ()
     {
         if (!GameManager.isPause) {
-            nav.enabled=true;
+            
             if (enemyHealth.currentHealth > 0 && playerHealth.currentHealth > 0)
             {
+                nav.enabled = true;
                 nav.SetDestination (player.position);
             }
             else