ERROR! :(

Blitz3D Forums/Blitz3D Beginners Area/ERROR! :(

Can somebody kindly explain what all of the error messages that come up mean.

Like:
Duplicate Variable name
;Graphics
Graphics3D 800,600
SetBuffer BackBuffer()
;Light
Global light=CreateLight()
RotateEntity light, 90,0,0

;Camera Pivot
camera_pivot=CreatePivot()
EntityRadius camera_pivot,1.4
EntityType camera_pivot, PLAYER

;Collision Group
Global SCENERY=1
Global PLAYER=2

;Camera
Global camera=CreateCamera(camera_pivot)
CameraRange camera,1,1000
CameraFogMode camera,1
CameraFogRange camera, 60,200
PositionEntity camera_pivot,0,10,120

;Sky
Global sky=CreateSphere(16,camera_pivot)
FlipMesh sky
ScaleEntity sky,100,100,100
PositionEntity sky,0,50,0
sky_tex=LoadTexture("sky.bmp")
EntityTexture sky,sky_tex

;TERRAIN
Global terrain=LoadTerrain("height2.jpg")
TerrainDetail terrain,2500,True
ScaleEntity terrain,-1000,0,-530
ter_tex=LoadTexture("mossyground.bmp")
EntityTexture terrain,ter_tex
EntityRadius terrain,0.2
EntityType terrain,SCENERY


;Main Loop 
While Not KeyHit(1)
If KeyDown(200)MoveEntity camera_pivot,0,0,0.05
If KeyDown(208)MoveEntity camera_pivot,0,0,-0.05
If KeyDown(203)TurnEntity camera_pivot,0,2,0
If KeyDown(205)TurnEntity camera_pivot,0,-2,0

UpdateWorld 
RenderWorld
Flip

Wend 

End 


Memory Access Violation
; Game
; ---------------------




AppTitle "Game"
Graphics3D 1024,768,32,2
SetBuffer BackBuffer()




;Types
Player=1
Obstacle=2
Ground=3


;------------------------------------------
cam1=CreateCamera()
PositionEntity cam1,18,6,-148
EntityType cam1, Player

lite1=CreateLight(1)
 


player=CreateCone()
PositionEntity player,12,5,-114








;Creating the sky--------------------------
sky = CreateSphere(60)
FlipMesh sky
ScaleEntity sky,700,700,700
PositionEntity sky, 0,70,0
sky_tex = LoadTexture ( "sky.bmp" )
EntityTexture sky,sky_tex
;-----------------------------------------



;Making water
water_tex=LoadTexture( "water1.jpg" )
ScaleTexture water_tex,6,6
water=CreatePlane()
EntityTexture water,water_tex
PositionEntity water,0,3,0
EntityAlpha water,.5
ScaleEntity water,5,100,5



;loading the terrain
terrain=LoadTerrain ( "HMAP.jpg" )
ScaleEntity terrain,5,100,5
PositionEntity terrain,-758,-21.7,-500
tex=LoadTexture( "GRASS2.jpg" )
EntityTexture terrain,tex 
EntityType terrain,Ground
EntityRadius terrain, 0.2










While Not KeyDown( 1 )
;small quick speed boosts q

If KeyHit( 57 )=True Then TranslateEntity cam1,0,9,0
;jump space
If KeyHit( 16 )=True Then MoveEntity cam1,0,0,9
;warp to big Building f1








; Controls

If KeyDown( 203 )=True Then TurnEntity cam1,0,1,0
If KeyDown( 205 )=True Then TurnEntity cam1,0,-1,0
If KeyDown( 200 )=True Then MoveEntity cam1,0,0,.08
If KeyDown( 208 )=True Then MoveEntity cam1,0,0,-.08
;strafe left x
If KeyDown( 44 )=True Then MoveEntity cam1,-.5,0,0
;strafe
If KeyDown( 45 )=True Then MoveEntity cam1,.5,0,0



TranslateEntity cam1, 0,-0.2,0




Collisions Player,Obstacle,2,2
Collisions Obstacle,Player,2,2
Collisions Ground,Player,2,3
Collisions Player,Ground,2,3





UpdateWorld




RenderWorld
Text 30,30,"Your Location: x= "+EntityX(cam1)+" y= "+EntityY(cam1)+" z= "+EntityZ(cam1) 



Flip
Wend
End   


If anybody nows them all, or a place where I could find them all out, it would be nice.