There is an error thrown ```text private method `visit_Ransack_Nodes_Sort' called for #<Ransack::Visitor> ``` when sorting is added to ransack params. For example these: ```ruby Post.ransack(title_cont: "foo", s: "title").result Post.ransack(title_cont: "foo", s: "created_at").result ``` are throwing the error, while calling without sorting parameter ```ruby Post.ransack(title_cont: "foo").result ``` is working correctly. `visit_Ransack_Nodes_Sort` is indeed private method in `Ransack::Visitor`. ```ruby irb(main):018:0> Ransack::Visitor.private_instance_methods.include?(:visit_Ransack_Nodes_Sort) => true ``` It's called [here](https://github.com/shioyama/mobility-ransack/blob/ce9034164ce27e1b2029434c03887cb25415bb55/lib/mobility/plugins/ransack.rb#L34)