Why i can't use solid tool subtract for this pumpkin?

SketchUp
1

I tried to make this pumbkin, but stuck at where the extrude solid part.

I did use solid tool check all of the group pumbkin and the eyes. Everythign good to go

I don’t know what went wrong

2

Upload the .skp file so we can see. Clearly everything is not good to go if it doesn’t work.