Error when running a .ngc from a glade button

(Load exterior cutting tool - odd tool number - you want to touch off)

o(probe-exterior-tool)sub
M70               (save modal state)
G92.2             (reset axis offsets to zero - if G92 offsets were in effect when we entered)
G49               (clear tool length compensation)

#<_Toolnum> = #5400     (set _Toolnum to the currently loaded tool)
#<_Probe_Speed> = 5
#<_Probe_Retract> = 0.5
#<_Fixture_Rad> = 1.357 (This is the radius of the edge of the ring from center of spindle)

G53 G0 X0         (This puts tool as far above ring as possible)
G53 G0 Z-6.4      (This will put exterior tool over the touch-off ring) 
G10 L20 P9 X0 Z0   (This sets G59.3 X and Z axes to be 0 at the location above)
G59.3             (switch to coord system 9)
 
G38.2 X-1.5 F#<_Probe_Speed>        (trip switch on the way down)
#1000 = [#5061 - #<_Fixture_Rad>]   (set #1000 to current point plus fixture radius)
G10 L1 P#<_Toolnum> X#1000          (set tool table entry for _Toolnum X axis to calculated offset)

G0 X0              (Retract tool back to where we were - off of ring)
G0 Z2              (Move back from face of ring to begin Z touch off)

G10 L1 P#<_Toolnum> Z0
G43
G0 X1.2 

M72 (restore modal state - this should also restore G92 offset if they were in effect when we entered)

o(probe-exterior-tool)endsub