fix: not able to delete cancelled delivery note

erpnext/stock/doctype/delivery_note/test_delivery_note.py

@@ -1108,9 +1108,30 @@ def test_delivery_note_bundle_with_batched_item(self):
 		dn.load_from_db()
 
 		batch_no = get_batch_from_bundle(dn.packed_items[0].serial_and_batch_bundle)
+		packed_name = dn.packed_items[0].name
 		self.assertTrue(batch_no)
 
+		dn.cancel()
+
+		# Cancel the reposting entry
+		reposting_entries = frappe.get_all("Repost Item Valuation", filters={"docstatus": 1})
+		for entry in reposting_entries:
+			doc = frappe.get_doc("Repost Item Valuation", entry.name)
+			doc.cancel()
+			doc.delete()
+
+		frappe.db.set_single_value("Accounts Settings", "delete_linked_ledger_entries", 1)
+
+		dn.reload()
+		dn.delete()
+
+		bundle = frappe.db.get_value(
+			"Serial and Batch Bundle", {"voucher_detail_no": packed_name}, "name"
+		)
+		self.assertFalse(bundle)
+
 		frappe.db.set_single_value("Stock Settings", "use_serial_batch_fields", 1)
+		frappe.db.set_single_value("Accounts Settings", "delete_linked_ledger_entries", 0)
 
 	def test_payment_terms_are_fetched_when_creating_sales_invoice(self):
 		from erpnext.accounts.doctype.payment_entry.test_payment_entry import (

erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py

@@ -778,6 +778,10 @@ def delink_refernce_from_voucher(self):
 			or_filters=or_filters,
 		)
 
+		if not vouchers and self.voucher_type == "Delivery Note":
+			frappe.db.set_value("Packed Item", self.voucher_detail_no, "serial_and_batch_bundle", None)
+			return
+
 		for voucher in vouchers:
 			if voucher.get("current_serial_and_batch_bundle"):
 				frappe.db.set_value(self.child_table, voucher.name, "current_serial_and_batch_bundle", None)