<% if @slider_products %>
  <div id="home-slider">
    <ul>
      <% @slider_products.each do |product| %>
        <li>
          <div class="product-image">
            <%= link_to product_image(product), product %>
          </div>
          <div class="product-info">
            <h1 class="product-title"><%= product.name %> - <%= product.sku %></h1>
            <div class="product-description">
              <%= product.description.html_safe %>
            </div>
            <div class="product-order-form">
              <%= form_for :order, :url => populate_orders_path do |f| %>
                <span class="product-price">
                  <%= product.display_price %>
                </span>
                <%= number_field_tag (product.has_variants? ? :quantity : "variants[#{product.master.id}]"),
                  1, :class => 'title', :in => 1..Spree::Stock::Quantifier.new(product.master).total_on_hand, :min => 1 %>
                <%= button_tag :id => 'add-to-cart-button', :type => :submit do %>
                  <%= content_tag(:i, '', :class => 'icon-plus') + " " + Spree.t(:add_to_cart) %>
                <% end %>
              <% end %>
            </div>
          </div>
        </li>
      <% end %>
    </ul>
  </div>
<% end %>

<% if @slider_products %>
  <div id="home-slider">
    <ul>
      <% @slider_products.each do |product| %>
        <li>
          <div class="product-image">
            <%= link_to product_image(product), product %>
          </div>
          <div class="product-info">
            <h1 class="product-title"><%= product.name %> - <%= product.sku %></h1>
            <div class="product-description">
              <%= product.description.html_safe if product.description %>
            </div>
            <div class="product-order-form">
              <%= form_for :order, :url => populate_orders_path do |f| %>
                <span class="product-price">
                  <%= product.display_price %>
                </span>
                <%= number_field_tag (product.has_variants? ? :quantity : "variants[#{product.master.id}]"),
                  1, :class => 'title', :in => 1..Spree::Stock::Quantifier.new(product.master).total_on_hand, :min => 1 %>
                <%= button_tag :id => 'add-to-cart-button', :type => :submit do %>
                  <%= content_tag(:i, '', :class => 'icon-plus') + " " + Spree.t(:add_to_cart) %>
                <% end %>
              <% end %>
            </div>
          </div>
        </li>
      <% end %>
    </ul>
  </div>
<% end %>

Fix exception being thrown if a product description is empty
Fix exception being thrown if a product description is empty

Fixed by calling .html_safe on description only if a description exists.