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POundefined method `model_name' for NilClass:Class - Rails application
 

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    <p>So I have seen other articles here on stack about this and a lot of the time people are not doing @post = post.new. I read some where to use the plural...??</p> <p>any ways I am getting this error on my discussion code:</p> <p><strong>Model</strong></p> <pre><code>class Discussion &lt; ActiveRecord::Base has_many :comment belongs_to :author attr_accessible :author_id, :content, :title validate :comment, :presence =&gt; true validate :title, :presence =&gt; true end </code></pre> <p><strong>Discussion Controller</strong></p> <pre><code>class DiscussionsController &lt; ApplicationController def index @discussion = Discussion.new @discussions = Discussion.all end def create @discussion = Discussion.create(params[:discussion]) if @discussion.save redirect_to tasks_path, :flash =&gt; {:success =&gt; 'Created a new discussion'} else redirect_to tasks_path, :flash =&gt; {:error =&gt; 'Failed to create a discussion'} end end end </code></pre> <p><strong>Discussion Form</strong></p> <pre><code>&lt;%= form_for @discussion do |f| %&gt; &lt;p&gt;&lt;%= f.label :title %&gt; &lt;%= f.text_field :title %&gt;&lt;/p&gt; &lt;p&gt;&lt;%= f.label :content %&gt; &lt;%= f.text_area :content %&gt;&lt;/p&gt; &lt;% end %&gt; </code></pre> <p><strong>Discussion Routes</strong></p> <pre><code> resources :discussions do resources :comments end </code></pre> <p>Now as far as I know I am doing this right, because I have a task form set up essentially the same way - but I have looked at my code for hours and have googled and tried other examples and now i see this:</p> <pre><code>undefined method `model_name' for NilClass:Class Extracted source (around line #1): 1: &lt;%= form_for @discussion do |f| %&gt; 2: 3: &lt;p&gt;&lt;%= f.label :title %&gt; 4: &lt;%= f.text_field :title %&gt;&lt;/p&gt; </code></pre> <p>Which should mean that I am missing something from my controller.....is it as asilly as a spelling mistake? >.></p>
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    1. COwhere did u get the code from? can you paste the controller please?
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    2. COHave you copy-pasted your code here verbatim? That is, might you have a typo somewhere?
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    3. COI wrote the code, that is the entire controller. all code here has been copy and pasted verbatim. I can add the model if that helps.
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