Fix #1460, fix #1465

app/models/communication/website/post/category.rb

@@ -84,7 +84,7 @@ class Communication::Website::Post::Category < ApplicationRecord
   end
 
   def template_static
-    "admin/communication/websites/categories/static"
+    "admin/communication/websites/posts/categories/static"
   end
 
   def dependencies

app/models/communication/website/with_associated_objects.rb

@@ -87,7 +87,7 @@ module Communication::Website::WithAssociatedObjects
   end
 
   def has_communication_categories?
-    categories.any?
+    post_categories.any? || agenda_categories.any?
   end
 
   def has_organizations?