perf: timeout error (#43154)

(cherry picked from commit 1bf6024)

erpnext/public/js/controllers/transaction.js

@@ -1879,6 +1879,10 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 		const fields = ["discount_percentage",
 			"discount_amount", "margin_rate_or_amount", "rate_with_margin"];
 
+		if (!item) {
+			return;
+		}
+
 		if(item.remove_free_item) {
 			let items = [];
 

erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py

@@ -1558,13 +1558,14 @@ def get_serial_nos_based_on_posting_date(kwargs, ignore_serial_nos):
 	serial_nos = set()
 	data = get_stock_ledgers_for_serial_nos(kwargs)
 
+	bundle_wise_serial_nos = get_bundle_wise_serial_nos(data)
 	for d in data:
 		if d.serial_and_batch_bundle:
-			sns = get_serial_nos_from_bundle(d.serial_and_batch_bundle, kwargs.get("serial_nos", []))
-			if d.actual_qty > 0:
-				serial_nos.update(sns)
-			else:
-				serial_nos.difference_update(sns)
+			if sns := bundle_wise_serial_nos.get(d.serial_and_batch_bundle):
+				if d.actual_qty > 0:
+					serial_nos.update(sns)
+				else:
+					serial_nos.difference_update(sns)
 
 		elif d.serial_no:
 			sns = get_serial_nos(d.serial_no)
@@ -1581,6 +1582,25 @@ def get_serial_nos_based_on_posting_date(kwargs, ignore_serial_nos):
 	return serial_nos
 
 
+def get_bundle_wise_serial_nos(data):
+	bundle_wise_serial_nos = defaultdict(list)
+	bundles = [d.serial_and_batch_bundle for d in data if d.serial_and_batch_bundle]
+	if not bundles:
+		return bundle_wise_serial_nos
+
+	bundle_data = frappe.get_all(
+		"Serial and Batch Entry",
+		fields=["serial_no", "parent"],
+		filters={"parent": ("in", bundles), "docstatus": 1, "serial_no": ("is", "set")},
+	)
+
+	for d in bundle_data:
+		if d.parent:
+			bundle_wise_serial_nos[d.parent].append(d.serial_no)
+
+	return bundle_wise_serial_nos
+
+
 def get_reserved_serial_nos(kwargs) -> list:
 	"""Returns a list of `Serial No` reserved in POS Invoice and Stock Reservation Entry."""