![GitHub - thoughtbot/administrate: A Rails engine that helps you put together a super-flexible admin dashboard. GitHub - thoughtbot/administrate: A Rails engine that helps you put together a super-flexible admin dashboard.](https://user-images.githubusercontent.com/11917/72203824-ec10f980-3468-11ea-9ac1-51cd28ff88b7.png)
GitHub - thoughtbot/administrate: A Rails engine that helps you put together a super-flexible admin dashboard.
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![ruby on rails 5 - undefined method `per' for #<Customer::ActiveRecord_Relation:0x007f6ef6d11b60> for rails_admin gem and will_paginate-bootstrap gem on admin panel - Stack Overflow ruby on rails 5 - undefined method `per' for #<Customer::ActiveRecord_Relation:0x007f6ef6d11b60> for rails_admin gem and will_paginate-bootstrap gem on admin panel - Stack Overflow](https://i.stack.imgur.com/GGg4G.png)