[Rails] Re: undefined method `items' for nil:NilClass

Very good suggestion Michael.. Thanks for your help.. I have deviated a
little from the book, since there are more functions that I need to
incorporate.. I tried putting it in the index def in the store
controller, but no luck.. Tried putting the @cart.find_cart in the
controller but no luck.. I believe the add_to_cart.js_rjs renders the
cart partial. Don't no why the index would render or look for it..

The add_to_cart function in the store controller is called by a button
on the page 'showmodels'. In the handbook the @cart.find_item is
located in the add_to_cart function

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