Forsooth! My Missile Won't Work

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Ace Killjoy
 #1
Yup. I have another problem.
I have a code that I got from someone on this sight and I have implemented it into a project of mine.
Here is the code:
Open in online IDE
Graphics3D 1024,764
SetBuffer BackBuffer()

missile=CreateCone()
PositionEntity missile,EntityX(cam,1),EntityY(cam,1),EntityZ(cam,1)
ScaleEntity missile,.5,1,.5
RotateEntity missile,EntityPitch(cam,1),EntityYaw(cam,1),EntityRoll(cam,1)

;Creating the targets
Type target
     Field count
     Field shape
     Field health
End Type

For x=1 To 5
     For z=1 To 5
          foe.target=New target
          foe\count=25
          foe\health=3
          foe\shape=CreateCube()
          ScaleEntity foe\shape,2,2,2
          PositionEntity foe\shape,Rand(-450,790)+x*5,60,Rand(-600,750)+z*5
          EntityTexture foe\shape,l
          NameEntity foe\shape,Handle(foe)
     Next
Next

While Not KeyDown(1)

If KeyDown(57) Then 
MoveEntity missile,0,.3,0

	;get vector to target
	Dx# = EntityX( foe\shape ) - EntityX( missile )
	Dy# = EntityY( foe\shape ) - EntityY( missile )
	Dz# = EntityZ( foe\shape ) - EntityZ( missile )
	;align missle to target vector
	AlignToVector missile, Dx, Dy, Dz, 2, .09;.05 

EndIf

RenderWorld
Flip
Wend
End

When I press the space bar, it points to "Dx# = EntityX( foe\shape ) - EntityX( missile )" and says "Entity Does Not Exist".
I think it knows the missile is there so I'm guessing it's the foe\shape (I could be wrong).

So what am I to do?