I created a report model using SSRS (2005) and published to the local server. But when I tried to run the report for the model I published using report builder I get the fol
Just like Nasser, I know this was a while ago but I wanted to post my solution for anyone who has this problem in the future.
I had my report setup so that it would use a data connection in a Data Connection library hosted on SharePoint. My issue was that I did not have the data connection 'approved' so that it was usable by other users.
Another thing to look for would to make sure that the permissions on that Data Connection library also allows read to the select users.
Hope this helps someone sooner or later!