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GitHub User: hannahqd
So, this may not be the issue, and I'm too late to help either of you, but in case someone else is looking for this: In Rails 4, you need to use <%= f.fields_for..., not <% f.fields_for... Note the = after <%.
So, this may not be the issue, and I'm too late to help either of you, but in case someone else is looking for this: In Rails 4, you need to use <%= f.fields_for..., not
<% f.fields_for... Note the = after <%.