From 671dfc7082f864f1c8274e1dad664a610294b2d5 Mon Sep 17 00:00:00 2001
From: Matt-Yorkley <9029026+Matt-Yorkley@users.noreply.github.com>
Date: Tue, 4 Jul 2023 14:42:31 +0100
Subject: [PATCH] Don't flush errors when checking zero priced order validity

---
 app/models/spree/order.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/spree/order.rb b/app/models/spree/order.rb
index 21904aa05d..ab62fb0372 100644
--- a/app/models/spree/order.rb
+++ b/app/models/spree/order.rb
@@ -222,7 +222,7 @@ module Spree
     # There are items present in the order, but either the items have zero price,
     # or the order's total has been modified (maybe discounted) to zero.
     def zero_priced_order?
-      valid? && line_items.count.positive? && total.zero?
+      dup.valid? && line_items.count.positive? && total.zero?
     end
 
     # Returns the relevant zone (if any) to be used for taxation purposes.