not an instance var here

Author: pushcx

app/models/comment.rb

@@ -149,7 +149,7 @@ def self.arrange_for_user(user)
       end
     end
 
-    Rails.cache.delete("user:#{@user.id}:unread_replies") if clear_replies_cache
+    Rails.cache.delete("user:#{user.id}:unread_replies") if clear_replies_cache
 
     ordered
   end