I:
[1] pry(main)> require './connect_to_db.rb'
=> true
[2] pry(main)> test = SAUser.new
NoMethodError: undefined method `attribute_method_matcher' for nil:NilClass
from /home/josh/.rvm/gems/ruby-2.0.0-p0/gems/activemodel-3.2.13/lib/active_model/attribute_methods.rb:444:in `match_attribute_method?'
[3] pry(main)> test = SAUser.new
r>NoMethodError: undefined method `has_key?' for nil:NilClass
from /home/josh/.rvm/gems/ruby-2.0.0-p0/gems/activerecord-3.2.13/lib/active_record/attribute_methods/read.rb:72:in `__temp__'
R:
There was a column inside my table sa_users named 'class'.  It was causing conflict with Rails/Ruby.
A:
Renamed column user_class.