#399

backend/app/representations/post_compact_repr.rb

@@ -20,7 +20,7 @@ module PostCompactRepr
     Rails.application.routes.url_helpers.rails_storage_proxy_url(
         post.thumbnail,
         only_path: false)
-  rescue
+  rescue ActionController::UrlGenerationError, ArgumentError, URI::InvalidURIError
     nil
   end
 end