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
under Site setting in Reports manager >Configure system-level role definitions > check ExecuteReport Defination option then Create a System UserGroup, Give the access to that group at Connect to your reporting Services Data base in server properties and add a group and permite the access as System User... It should work