Comment.count

index.html.erb

<% if user_signed_in? %>
	<%= link_to "New Post", new_post_path %>
<% end %>

<article class="post">
	<% @posts.each do |post| %>
		<h1><%= link_to post.title, post %></h1>
		<h4> Posted <a href="#"><July 13, 2012><%= post.created_at.strftime("%d %b. %Y") %></a> </h4>
		<h5><%= @comments.count %></h5>
	
		<section class="video">
			<iframe width="560" height="315" src="<%= post.youtube %>" frameborder="0" allowfullscreen></iframe>
		</section>
	
		<p><%= post.content %></p>
	
		<hr>
			<% if user_signed_in? %>
				<%= link_to "Edit", edit_post_path(post) %>
				<%= link_to "Destroy", post, :confirm => "Are you sure", :method => :delete %>
			<% end %>
	<% end %>
</article>

posts_controller.rb

  def index
    @posts = Post.all
    @post = Post.find(params[:id])
    @comments = Comment.all
  end

  def show
    @post = Post.find(params[:id])
    @comment = @post.comments.build #associates comments with posts
    @comments = @post.comments.all  #shows all comments for the post
  end

POPS THIS ERROR:

Couldn't find Post without an ID



says "Couldn't find Post without an ID"