Mach3 error codes

[stainless steel]

Having trouble cutting in Mach 3 fault code [ units inches ] won't let me cut ?
New to using Sheetcam . Have been using Nestmaster 2012 Mach3 .Made drawing in Corel Draw5 into Sheetcam into Mach3.
New to all of this , lots of pilot error .Machine cuts fine using Nestmaster /Mach3 combination . Something set wrong?

Fastcut cnc table
Hypertherm 1250
Mach3
Nestmaster2012
Corel Draw
Sheetcam
Turbocad

[stainless steel]

Found problem with Mach3 . Was not generating good codes in Sheetcam . Wrong layer.
Switched from 0 layer to layer 1 and it cuts . Sorry for wasting your guys time , thanks for trying to help.

4x8 fastcut cnc
Corelx5
Sheetcam
Nestmaster 2012
Mach3