SSRS Reports Issue

Hello All,

While creating report builder model I am facing below error.

An error occurred during the generation of semantic model : [Create perspectives from cubes]Either the user, SP2010FARM1\spdev, does not have access to the PSCALLDB database, or the database does not exist.

I have checked that user have complete access to the database. I have also checked that connection string in the sql data source is correct.

Is there any thing else which causing this issue ?

Any suggestion to resolve this issue..

Thanks in advance  :)