fix: remove incorrect validation throwing spurious error

erpnext/setup/doctype/email_digest/email_digest.py

@@ -162,8 +162,6 @@ class EmailDigest(Document):
 				context.purchase_order_list,
 				context.purchase_orders_items_overdue_list,
 			) = self.get_purchase_orders_items_overdue_list()
-			if not context.purchase_order_list:
-				frappe.throw(_("No items to be received are overdue"))
 
 		if not context:
 			return None