undefined method `database_authenticatable' for #

Question

I am using Active Admin gem for my small application based on Quiz. But when I execute rake db:migrate it gives me error. Following is the trace of the comm

Answer 1

I just had what I think is the same issue, I updated my gem, and dropped my db, later I got a very similar message, then I created a new rails app just to compare and it turns out the migration file has been changed, now it includes the columns instead of calling methods.

I hope it helps.

Cheers!