Custom Press Permissions Problem

Hi

I have installed this plugin and am playing with it for the first time. I intend to use this for a staff directory and case study portfolio.

It looks great so far but I have fallen over at the first hurdle...probably something simple!

I have set up some custom post types with custom fields but am getting the following error when trying to add a post:

"You are not allowed to edit this post."

I am an Administrator and I have checked / assigned the Role Capabilities. I left most of the settings to default (particularly the ones that have health warnings - eg capability type).

PS. Having read some more threads, I ought to add that I am using the Genesis framework on this site!

Can you point me in the right direction.

Thanks

Mark