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

New to this site as you can see from my rep. John Kamuchau is correct, you need to change the xxxx_devise_create_users.rb migration according to your version.

For example I just updated a rails 3.2 to 4.2 updating devise accordingly and I had to change out the deprecated -

t.database_authenticatable :null => false

for -

## Database authenticatable
t.string :email,              null: false, default: ""
t.string :encrypted_password, null: false, default: ""

Old question but hope this helps if someone comes looking.