Lingvist graduate

What a wonderful learning aid . . . I worked for over two hours, looked at my stats which showed how far have gotten so far . . . went away to do some chores, now i am back to continue . . . the stats are now at zero . . . When i practice i am at the very beginning again . . . help, what did i do wrong . . . billyjames ecksteingv@gmail.com . . . thanks for your assistance in advance . . . 😊 Shalom.