i have modified my code as follows:
<%= collection_select(:category, :id, @categories, :id, :category_type,
options ={:prompt => "-Select a Category"}, :class =>"category") %>
i Hav also modified the definition in my controllers as follows:
@categories = category.find(:all)
but it still gives me the following error
You have a nil object when you didn't expect it!
> You might have expected an instance of Array.
> The error occurred while evaluating nil.map
seems there something i dont get
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