NoMethodError：Gem：Module的未定义方法`unresolved_deps'

I'm running rails 3.2.13 on ruby-1.9.3-p429 on RVM and I'm suddenly getting an error in irb that I'd like some help with. When I execute a method on a object, I get the error 'NoMethodError: undefined method I'm running rails 3.2.13 on ruby-1.9.3-p429 on