I don't know what to do :(
Here the mail i receive form paypal. Did you see the problem ?
An instant payment notification was received
from firstname.lastname@example.org on 02/25/2013 at 9:37 PM
The transaction was not completed successfully. eShop could not validate the order. Please double check all settings in eShop and at paypal to confirm they are both correct.
item_number1: 0001 : Small - 400 x 400 px - 72 dpi
payment_date: 13:34:34 Feb 25, 2013 PST
item_name1: Aigle - in qatar