It seems like a internal component conflict, please unistall RhinoNest and install latest RhinoNest version which you can find here.
If you still having problems just let me know sending a mail to firstname.lastname@example.org and…"
This is the default RhinoNest font, we use this font shape as default because it asserts to have always closed curves, otherwise number "0" for instance would be closed and it could be nested but number "1" would…"
I checked your geometry and you have some open curves,
You should close this curves and after that perform the nesting,
you can check if your curves are fine with _RhinoNestCheckCurves command.
I hope help you but if you have any…"
Check your curves, maybe you have open curves so rhinonest disscart this kind of curves because it can't be nested, please execute the command _RhinoNestCheckCurves, non valid curves will be marked in red, and working curved in…"
You have to get at lest one closed curve to use group contained, so RhinoNest will decide which curves are contained inside your closed curve(s) and it will group them.
I hope help you anyway if you have any question just let me…"
This error usually happens in Windows vista or Windows 7 because RhinoNest tries to writes in a protected directory, you can fix it with executing _RhinoNestSetWorkingDirectory, and selecting a writable directory like…"
If you want to nest some elements bigger than sheets, you should cut them manually, at the moment there are no way to do it automatically, use the split command.
If you have any more doubt please, don't hesitate to…"