Mach 3 XML code issue

Hello all. I wondered why my original milling code would crash mach3/windows. I was comparing my XML to the generic G540 file Gecko has available, and the vast majority of it is the same, but near the end I have many, many lines similar to the following:
</VideoPlugIn>
<GCodeVar><GVar500>0.</GVar500><GVar501>0.</GVar501><GVar502>0.</GVar502><GVar503>0.</GVar503><GVar504>0.</GVar504><GVar505>0.</GVar505><GVar506>0.</GVar506><GVar507>0.</GVar507><GVar508>0.</GVar508><GVar509>0.</GVar509><GVar510>0.</GVar510><GVar511>0.</GVar511><GVar512>0.</GVar512><GVar513>0.</GVar513><GVar514>0.</GVar514><GVar515>0.</GVar515><GVar516>0.</GVar516><GVar517>0.</GVar517><GVar518>0.</GVar518><GVar519>0.</GVar519><GVar520>0.</GVar520><GVar521>0.</GVar521><GVar522>0.</GVar522><GVar523>0.</GVar523><GVar524>0.</GVar524><GVar525>0.</GVar525><GVar526>0.</GVar526><GVar527>0.</GVar527><GVar528>0.</GVar528><GVar529>0.</GVar529><GVar530>0.</GVar530><GVar531>0.</GVar531><GVar532>0.</GVar532><GVar533>0.</GVar533><GVar534>0.</GVar534><GVar535>0.</GVar535><GVar536>0.</GVar536><GVar537>0.</GVar537><GVar538>0.</GVar538><GVar539>0.</GVar539><GVar540>0.</GVar540><GVar541>0.</GVar541><GVar542>0.</GVar542><GVar543>0.</GVar543><GVar544>0.</GVar544> etc, etc....
Could someone check their file to see if it has something similar, or possibly explain what that is?
Thanks in advance.