Can't Access or Browse Shared DataSource in Report Builder 3.0

Dear All,

I have a problem that i can't Browse Shared DataSource in Report Builder 3.0

I create Sharepoint Document Library and i add shared DataSource and Report Model and when i open Report Builder to access that Shared DataSource i can't

It got Error message "Unable to connect to the server make sure that you have a permission"

how can i solve this problem or how to add permission to access Shared DataSource

Thanks