Lost code after submiting solution

<%= @topic_view.topic.title %>
<%= @topic_view.topic.average_rating %> <%= @topic_view.topic.posts.count { |p| !!p.custom_fields['rating'] } %>

I wanted to go back to my previous solutions but seems like
The code is lost after submitting solution

Thank you for reporting the issue

you can follow the issue on github here: