NullReferenceException: Object reference not set to an instance of an object?

Question

C++ / C#

why does the error occur?
NullReferenceException: Object reference not set to an instance of an object
Clip.Update () (at Assets/Game/Scripts/Clip/Clip.cs:16)

pastebin.com/m6BZ6J94
because it doesn't see the plower in radius less than five?

Answer 1

Can't find the player?
GameObject.FindGameObjectWithTag("Player")