Unfolded state that doesn't work

Hello

Best wishes for 2015

Here I have a sheet metal piece, which unfolds in the model but not in the plan, why, mystery.

I tried a lot of things, erased the MEP, restarted SW..., but nothing helped.

If you have an idea thank you

Attached is the document


tole_de_depression.sldprt

right click on the unfolded and activated state in the sm flat config


tole_de_depression.sldprt