Sketch won’t extruude

Need help? We are here.
1

My wife is trying to extrude on a sketch she created but it will not let her even though the lines are closed.

https://support.shapr3d.com/hc/en-us/requests/new

4

Can you please send us the sketch so we can take a look? Thanks

https://support.shapr3d.com/hc/en-us/requests/new