diff --git a/app/controllers/concerns/controller_rescue_handler.rb b/app/controllers/concerns/controller_rescue_handler.rb
index 0826d2709..580f92e1a 100644
--- a/app/controllers/concerns/controller_rescue_handler.rb
+++ b/app/controllers/concerns/controller_rescue_handler.rb
@@ -20,7 +20,7 @@ module ControllerRescueHandler
       render_error(ex.record.errors.full_messages.join(','))
     end
     rescue_from RuntimeError do |ex|
-      render_error(ex.model.errors.full_messages.join(','))
+      render_error(ex.full_messages.join(','))
     end
   end
 end
\ No newline at end of file