Validation while updating items in sales order
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 86ceb2e..56ae25e 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -1073,6 +1073,10 @@
data = json.loads(trans_items)
for d in data:
child_item = frappe.get_doc(parent_doctype + ' Item', d.get("docname"))
+
+ if flt(d.get("qty")) < child_item.delivered_qty:
+ frappe.throw(_("Cannot set quantity less than delivered quantity"))
+
child_item.qty = flt(d.get("qty"))
if child_item.billed_amt > (flt(d.get("rate")) * flt(d.get("qty"))):