Share ad on Facebook ( bad informations )

hi 

I try to share my ads on facebook but I realize that the information is wrong

How to view the picture, price, description in facebook share please , and why it says that my site is in maintenance ??

http://prntscr.com/epuvis

If you want to try to share , www.bebebrocante.fr


Regards
Vidjii

@vidjii
No idea, share link seems to be OK. Check on facebook dev site.

I used the facebook debug but I can share it again its same probleme


http://prntscr.com/epv3um

When i copy the url directly into facebook it works .

http://prntscr.com/epvklv

http://prntscr.com/epvlb5

http://prntscr.com/epvllt

Now it works for me as well:
https://www.facebook.com/sharer/sharer.php?u=http://bebebrocante.fr/eveils-jouets/autres_1/velo-smart-cycle-jouet-fisher-price_i134

Yes I activated url rewriting and i solve this  probleme

I am looking for the other problems url rewriting that this create for me