[#345] temporaly fix error with mass-assign protected attributes

app/models/concerns/owner.rb

@@ -3,6 +3,8 @@ module Owner
 
   included do
     validates :owner, presence: true
-    after_create -> { relations.create actor_id: owner.id, actor_type: owner.class.to_s, role: 'admin' }
+    after_create do
+      relations.create({ actor_id: owner.id, actor_type: owner.class.to_s, role: 'admin' }, without_protection: true)
+    end
   end
 end