Rails 4 uninitialized constant for module

Question

In a new rails 4 app I anm getting an unintialized constant error for a module. The module is named ProcessBill and is located in lib/process_bill.rb

console error:<

Answer 1

I had this problem too with the lib directory with Rails 5 and it appeared in production but not in development. To fix it you need to add the lib directory to eager_load_paths. Here is the relevant part from my application.rb:

config.autoload_paths << "#{Rails.root}/lib"
config.eager_load_paths << "#{Rails.root}/lib"