From 98f186b0e03ba07f4737f114d71b8c3f02b1394d Mon Sep 17 00:00:00 2001
From: Rohit Waghchaure <rohitw1991@gmail.com>
Date: Fri, 10 Oct 2025 12:46:33 +0530
Subject: [PATCH] fix: posting date in serial no

---
 erpnext/patches/v16_0/update_serial_no_reference_name.py | 5 ++++-
 erpnext/stock/serial_batch_bundle.py                     | 8 ++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/erpnext/patches/v16_0/update_serial_no_reference_name.py b/erpnext/patches/v16_0/update_serial_no_reference_name.py
index 967dcb22d04..b485db56c35 100644
--- a/erpnext/patches/v16_0/update_serial_no_reference_name.py
+++ b/erpnext/patches/v16_0/update_serial_no_reference_name.py
@@ -4,6 +4,9 @@ import frappe
 def execute():
 	# Update the reference_name, reference_doctype fields for Serial No where it is null
 
+	if not frappe.db.has_column("Serial and Batch Bundle", "posting_date"):
+		return
+
 	sabb = frappe.qb.DocType("Serial and Batch Bundle")
 	sabb_entry = frappe.qb.DocType("Serial and Batch Entry")
 	serial_no = frappe.qb.DocType("Serial No").as_("sn")
@@ -16,7 +19,7 @@ def execute():
 		.on(sabb.name == sabb_entry.parent)
 		.set(serial_no.reference_name, serial_no.purchase_document_no)
 		.set(serial_no.reference_doctype, sabb.voucher_type)
-		.set(serial_no.posting_date, sabb.posting_datetime)
+		.set(serial_no.posting_date, sabb.posting_date)
 		.where(
 			(sabb.voucher_no == serial_no.purchase_document_no)
 			& (sabb.is_cancelled == 0)
diff --git a/erpnext/stock/serial_batch_bundle.py b/erpnext/stock/serial_batch_bundle.py
index b895db99e40..2e9943578b4 100644
--- a/erpnext/stock/serial_batch_bundle.py
+++ b/erpnext/stock/serial_batch_bundle.py
@@ -1293,6 +1293,12 @@ class SerialBatchCreation:
 		if self.get("voucher_type"):
 			voucher_type = self.get("voucher_type")
 
+		posting_date = frappe.db.get_value(
+			voucher_type,
+			voucher_no,
+			"posting_date",
+		)
+
 		for _i in range(abs(cint(self.actual_qty))):
 			serial_no = make_autoname(self.serial_no_series, "Serial No")
 			sr_nos.append(serial_no)
@@ -1312,6 +1318,7 @@ class SerialBatchCreation:
 					"Active",
 					voucher_type,
 					voucher_no,
+					posting_date,
 					self.batch_no,
 				)
 			)
@@ -1332,6 +1339,7 @@ class SerialBatchCreation:
 				"status",
 				"reference_doctype",
 				"reference_name",
+				"posting_date",
 				"batch_no",
 			]