Piratebox fail auto install on MR3020

Hi,
I try to install piratebox on my MR3020 but it doesn't wants to works.

My piratebox worked since June, the last week I needed to use my MR3020 as normal router (I pull back TPlink original firmware and use it for 4 days)

After that, I wants to use "auto install" piratebox firmware and install folder as I made in the past.

After Installing, WIFI doesn't start
I tries several things, put opewrt firmware , try to install manualy.
I tries to upload firmware in safemode...

So now , if someone can help me, it drives me crazy, I pass week-end on it with no success...

Olivier