-If there's any kind of database confusion that you see online or in the app, go to your profile online and remove all databases: https://www.comicbase.com/mycb/Profile.aspx
-next, startup ComicBase with the desired database you want to link to your online account, then go the File Menu>Collection Statistics - this will do 2 things, give a summary of your collection and on the back-end link the db to your online profile.