When Multisim™ asks you for the database file, you should select r.Check if you are able to access to your User Database and if you have any components in it by opening Place Component (right-click or ), then in the Database dropbox select User Database.If the problem persists, since you already have the correct version, check if you have access to the Database.Be sure to have Circuit Design Suite (Multisim™ and Ultiboard) version 13.0 (or later).SolutionThere are several solutions for this error: