backend/app/models/tag.rb

@@ -120,7 +120,7 @@ class Tag < ApplicationRecord
 
       find_or_create_by_tag_name!(name, category: (cat || :general)).tap do |tag|
         tag.update!(category: cat) if cat && tag.category != cat
-        next if sections_by_tag.blank?
+        next if sections_by_tag.empty?
 
         sections[tag.id] ||= []
         sections[tag.id].concat(sections_by_tag)