fix: Concurrency issues in Sales and Purchase returns (#34019)
diff --git a/erpnext/controllers/sales_and_purchase_return.py b/erpnext/controllers/sales_and_purchase_return.py
index 9fcb769..fc6793a 100644
--- a/erpnext/controllers/sales_and_purchase_return.py
+++ b/erpnext/controllers/sales_and_purchase_return.py
@@ -252,6 +252,7 @@
child.parent = par.name and par.docstatus = 1
and par.is_return = 1 and par.return_against = %s
group by item_code
+ for update
""".format(
column, doc.doctype, doc.doctype
),