Rough material not showing

Hello! I have a problem. I download the package and linuxcnc 2.7.14 on my debian. NativeCam shows on a tab (not on the side of the preview window) and when I set raugh material add all the values and click on gears but nothing happens... no shapes nothing on the screen. I set my .ini file according to the config of my mill. should I change some code lines somewhere!? please help! thank you

Toggle this button



Fern

Still not working....

I attach picture of what happens when I start linuxcnc from terminal comand

Never mind. I had a corrupted file. Now it all works fine! thank you!