#434

backend/app/services/counts_table_query.rb

@@ -391,7 +391,7 @@ class CountsTableQuery
                when 'user'
                  User.where(id: values).pluck(:id, :name).to_h.transform_keys(&:to_s)
                when 'language_code', 'source_language_code'
-                 Language.where(code: values).pluck(:code, :name).to_h
+                 values.to_h { [_1, _1] }
                when 'tags'
                  labels = tag_labels(values)
                  @axis_names["a#{ index }"] = @tag_names