Have you explicitly turned on Full Access Admin mode? Just because your name is in the field in the server doc doesn’t mean you always walk around in that mode. You have to open the admin client and open the server and then go to Actions >> Full Access Admin mode.
Once you do that then you should be able to open all db’s.
No, I can’t do anything… I have no access to the database and I have checked the full administration option and I am in the full administration field of the security tab of my server document…