#63

backend/app/controllers/tags_controller.rb

@@ -434,5 +434,7 @@ class TagsController < ApplicationController
     return canonical if canonical
 
     html[/"channelId":"(UC[a-zA-Z0-9_-]{22})"/, 1] || html[/\bUC[a-zA-Z0-9_-]{22}\b/]
+  rescue
+    nil
   end
 end