Validation added to prevent adding items with expired batch numbers to stock ledger entry
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index 93fd325..d30e7f2 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -730,8 +730,10 @@
 		if self.purpose in ["Material Transfer for Manufacture", "Manufacture", "Repack", "Subcontract"]:
 			for item in self.get("items"):
 				if item.batch_no:
-					if getdate(self.posting_date) > getdate(frappe.db.get_value("Batch", item.batch_no, "expiry_date")):
-						frappe.throw(_("Batch {0} of Item {1} has expired.").format(item.batch_no, item.item_code))
+					expiry_date = getdate(frappe.db.get_value("Batch", item.batch_no, "expiry_date"))
+					if expiry_date:
+						if getdate(self.posting_date) > expiry_date:
+							frappe.throw(_("Batch {0} of Item {1} has expired.").format(item.batch_no, item.item_code))
 
 @frappe.whitelist()
 def get_party_details(ref_dt, ref_dn):
diff --git a/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py b/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
index de6b3a6..848a00d 100644
--- a/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
+++ b/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
@@ -18,6 +18,7 @@
 		from erpnext.stock.utils import validate_warehouse_company
 		self.validate_mandatory()
 		self.validate_item()
+		self.validate_batch()
 		validate_warehouse_company(self.warehouse, self.company)
 		self.scrub_posting_time()
 
@@ -96,6 +97,13 @@
 	def scrub_posting_time(self):
 		if not self.posting_time or self.posting_time == '00:0':
 			self.posting_time = '00:00'
+			
+	def validate_batch(self):
+		if self.batch_no and self.voucher_type != "Stock Entry":
+			expiry_date = getdate(frappe.db.get_value("Batch", self.batch_no, "expiry_date"))
+			if expiry_date:
+				if getdate(self.posting_date) > expiry_date:
+					frappe.throw(_("Batch {0} of Item {1} has expired.").format(self.batch_no, self.item_code))
 
 def on_doctype_update():
 	if not frappe.db.sql("""show index from `tabStock Ledger Entry`