(403) Forbidden when a valid retrieve(my_uri)

i have a loop with a retrieve(my_uri) functions. I have sometimes the following error 40: 403 forbidden => but the uri is valid and the connection is open

what’s the possible problem ?

thanks

To be truthful I don’t have a clue!

Is this message any help: http://tamino.forums.softwareag.com/viewtopic.php?p=2836

I did a search on the forums for “403”.