Cannot extrude nor loft

I have this sketch tht comes from a projection and there is no way i can extrude it or use it for loft. Then the new selection highlight just gives
Me confusion.

Hi,
Can you share us your file ?

My guess is you have two separate sketches (look in Item side panel). Shapr3D allows coplanar sketches. There are several suggestions in this forum. Here is one:

Yes I will here it is. Thanks for your help
Fone v2.shapr (237.4 KB)

your sketch is not clean, some lines overlap and are not joined
see the screenshot

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here the repaired sketch


Fone v2.shapr (256,9 Ko)

Thanks, i was thinking about not closed sketch but
-I thought projected sketch where always “programatically closed”
-I could not figure out how to find where interuption was located.
What is the technique to reveal interruptions? Heigh zooming, other
Anyway, merci beaucoup

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