G code out of range" message

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(O00001 Mill Program Format Sample) ;

N01 (Tool Entry Safety Block) ;
G00 G17 G20 G40 G49 G54 G80 G90 G98 G64 G94 G100
(G00 Rapid)
(G17 Select XY Plane)
(G20 Select Inches)
(G40 Cancel Cutter Radius Compensation)
(G49 Cancel Tool Length Compensation Cancel)
(G54 Cancel Work Coordinates)
(G80 Cancel Canned Cycle)
(G90 Set Absolute, Cancels G91 incremental)
(G98 Cancels the G99 R plane return)
(G64 Cancels the exact stop G61)
(G94 Cancels G93 "Inverse Time Feed Mode" and returns the control to "Feed Per Minute" mode.)
(G94 G-code is a modal G-code. G94 instructs the control to interpret feed commands as 
(- inches/minute or mm/minute for linear moves.)
(- degrees/minute for rotary moves.)
(- inches/minute or mm/minute for a combination of linear and rotary moves.)
(G100 Cancel Mirror Image)

(Z-Axis Home Safety Block) ;
G53 Z1.0 ;

(Tool Change & Spindle Speed) ;
T02 M06 H02 (M06 Tool Change) ;
X0.0 Y0.0 S4000 M03 (Spindle ON Clockwise) ;

(Our Endmill Diameter is 0.50")

(Tool Approach Part & Tool Lenght Offset Calling Block) ;
G00 X-1.0 Y0.0 ; 
G43 M08 ; 

(Begin Tool Body) ;
G01 Z-0.5 ; (Spindle down to Z-0.5)
G01 F36.0 (Feed Speed)
G41 (Cutter Compensation Left)

G01 Y4.0 (First Cut, goes from X-1.0 Y0.0 TO X4.0 Y0.0 ) 
G01 X4.0 Y-4.0 (Second cut) 
G01 X0.0 Y-4.0 (Third cut)
G01 X0.0 Y1.0 (Fourth program)

(End Tool Body) ;

(Tool Exit Safety Block);
G00 G80 Z1.0 M09 ;

(Z-Axis Home and Cancel Tool Lenght Offset) ;
G49 G53 Z0.0 ;

(Optional Stop) ;
M01 ;

N02 (Tool Entry Safety Block);
G00 G17 G20 G40 G49 G54 G80 G90 G98 G64 G94 G100