Merci pour votre réponse rapide !
De mon côté, lorsque je passe en mode debug, j'ai le message suivant, pour la même opération, afficher certaines commandes :
HELP !!!
Merci
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, This email address is being protected from spambots. You need JavaScript enabled to view it. and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.