fix

app/models/communication/block/template/agenda.rb

@@ -27,6 +27,10 @@ class Communication::Block::Template::Agenda < Communication::Block::Template::B
   def allowed_for_about?
     website.present?
   end
+  
+  def children
+    selected_events
+  end
 
   protected
 

app/models/communication/block/template/base.rb

@@ -141,6 +141,10 @@ class Communication::Block::Template::Base
     @full_text
   end
 
+  def children
+    false
+  end
+
   def to_s
     self.class.to_s.demodulize
   end

app/models/communication/block/template/license.rb

 class Communication::Block::Template::License < Communication::Block::Template::Base
+
   has_component :description, :rich_text
   has_component :type, :option, options: [:creative_commons]
   has_component :creative_commons_attribution, :option, options: [:false, :true]
   has_component :creative_commons_commercial_use, :option, options: [:true, :false]
   has_component :creative_commons_derivatives, :option, options: [:true, :false]
   has_component :creative_commons_sharing, :option, options: [:true, :false]
+
 end

app/models/communication/block/template/organization.rb

@@ -18,4 +18,8 @@ class Communication::Block::Template::Organization < Communication::Block::Templ
   def organizations
     @organizations ||= elements.collect(&:organization).compact.uniq
   end
+  
+  def children
+    organizations
+  end
 end

app/models/communication/block/template/page.rb

@@ -24,6 +24,10 @@ class Communication::Block::Template::Page < Communication::Block::Template::Bas
   def allowed_for_about?
     !website.nil?
   end
+  
+  def children
+    selected_pages
+  end
 
   protected
 

app/models/communication/block/template/person.rb

@@ -14,4 +14,8 @@ class Communication::Block::Template::Person < Communication::Block::Template::B
     end
     @elements
   end
+  
+  def children
+    elements
+  end
 end

app/models/communication/block/template/post.rb

@@ -21,6 +21,10 @@ class Communication::Block::Template::Post < Communication::Block::Template::Bas
   def allowed_for_about?
     !website.nil?
   end
+  
+  def children
+    selected_posts
+  end
 
   protected
 

app/models/communication/block/template/program.rb

@@ -17,4 +17,8 @@ class Communication::Block::Template::Program < Communication::Block::Template::
   def available_programs
     website.education_programs
   end
+  
+  def children
+    selected_programs
+  end
 end

app/models/communication/block/with_heading_ranks.rb

@@ -15,7 +15,7 @@ module Communication::Block::WithHeadingRanks
   end
 
   def heading_children?
-    template.respond_to?(:elements) && template.elements.any?
+    template.children && template.children.any?
   end
 
   protected