portal theme / portal desktop error

Hi All,

I have imported a role and theme from one server to the other and I assigned that particular role and theme to one user and when i log in with that user id I was getting an error " no portal desk top was assigned "and when I refresh the same , i was getting a page with a default theme and not with the theme which I have assigned.

When I add super admin role to the User , I'm getting the page with the role and theme which i have assigned .I mean to say it is working fine.

Is there any error with permissions.I'm using an ABAP user.

Thanks In Advance.

Sirisha