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Question by Javadi · Dec 06, 2015 at 02:54 PM · unity 5

ArgumentException: The thing you want to instantiate is null.

I apologize for my poor English. I do my best to describe the situation in a clear way. I have set a Transform object in Awake() method from Resources folder. I don't get any exception in Awake() or Start(), but when I instantiate my assigned Transform, I get ArgumentException:

this is my code:

 public class WeaponScript : MonoBehaviour {
         public Transform shotPrefab;
 
 void Awake()
         {
             if (GetComponent<PlayerScript>() != null && PlayerPrefs.HasKey("BoughtShot2"))
             {
                 Debug.Log("shot is shot2");
     // I assign this property here.
         shotPrefab = (Resources.Load("Shots/PlayerShot2")) as Transform;
             }
         }
     
     public void Attack(bool isEnemy)
      {
                         // Create a new shot, I get my exception in this line:
                 var shotTransform = Instantiate(shotPrefab) as Transform;
     }

}

I don't want to assign shotPrefab in inspector. I need to instantiate a transform based on user In-App purchase.

How can I fix it? Should I initialize shotPrefab in another way? I tried initializing it both in Awake() and Start() but I faced this problem again.

Thanks in advance. :-)

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