When I start playing the game this errors shows up: NullReferenceException: Object reference not set to an instance of an object ButtonPipeScript.Start () (at Assets/ButtonPipeScript.cs:13)
NullReferenceException: Object reference not set to an instance of an object ButtonPipeScript.OnCollisionEnter2D (UnityEngine.Collision2D collision) (at Assets/ButtonPipeScript.cs:25) I tried to search it but found nothing, what can I do?
