undefined method `accessible_by' for ModelName:Class

[s1l3nt]

Hello! I have a problem on activeadmin with mongoid plugin. It's problem only on mongoid models + cancan roles. Rayanb manual (https://github.com/ryanb/cancan/wiki/Mongoid) not work in this case.

NoMethodError in Admin::ModelNameController#index
undefined method `accessible_by' for ModelName:Class

gem 'rails'
gem 'devise'
gem 'activeadmin',         github: 'gregbell/active_admin'
gem 'activeadmin-mongoid', github: 'elia/activeadmin-mongoid', branch: 'rails4'
gem 'mongo'
gem 'mongoid'

gem 'cancan'

versions:

• Rails 4.1.0
• CanCan 1.6.10
• Mongoid 4.0.0.beta1
• ActiveAdmin (1.0.0.pre)
• activeadmin-mongoid (0.2.1)

[s1l3nt]

Problem resolved. Move activeadmin and activeadmin-mongoid after cancan gem in Gemfile