Update erpnext/regional/saudi_arabia/utils.py

Co-authored-by: Saqib <nextchamp.saqib@gmail.com>
diff --git a/erpnext/regional/saudi_arabia/utils.py b/erpnext/regional/saudi_arabia/utils.py
index e83d8c7..5b8b7c1 100644
--- a/erpnext/regional/saudi_arabia/utils.py
+++ b/erpnext/regional/saudi_arabia/utils.py
@@ -68,7 +68,7 @@
 	if hasattr(doc, 'qr_code'):
 		if doc.get('qr_code'):
 			file_doc = frappe.get_list('File', {
-				'file_url': doc.qr_code
+				'file_url': doc.get('qr_code')
 			})
 			if len(file_doc):
 				frappe.delete_doc('File', file_doc[0].name)
\ No newline at end of file