Closed sketch is not extruded in creo, dont know how to resolve this issue ?

I have attached a following sketch file. The sketch is closed, but it's not being extruded in Creo. Dont know what is the issue.

2 Answers

I tried to extrude the sketch as surface and it works! but if you extrude the sketch as a solid part maybe there are too small elements.
Try to extrude it in the first way and then solidify it.


Extruding but as a sheet
reason:too small sketch ,

not extruding:
reason: Overlapping sketch