[PHP] stat failed

I have an application where the user can upload a file on a folder. Then my application must read how many data this user have available. I store in an interbase database the limit of his capacity. It all works fine, but with some archives i receive an error: Warning: stat failed for the_uploaded

[PHP] "stat failed" error

Since I've installed the 4.1 version of PHP, i have a lot of "stat failed" warning. By exemple, in PHPmyAdmin : Warning: stat failed for ./sql.php?lang=fr&server=1&db=photo&table=Users_x_magasin&pos=0&sql_query=SE LECT+%60UXM_id%60%2C%60U_email%60%2C%60MAG_id%60%2C%60UXM_paiement_magasin%6 0%2C%60