从版本3降级到2时，Ruby on Rails不呈现视图

I am in the middle of putting up my Ruby on Rails app to a live server but have to downgrade from version 3 to 2 because that is all my shared hosting provider supports. I was able to adapt my models, controllers and routes without much problem. The problem I am having is with the views rendering. I am in the middle of putting up my Ruby on Rai