Negative stock allowed for perpetual inventory. Blocked in specific case
diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index 66d5792..cf57658 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -277,6 +277,9 @@
"qty": -1 * required_qty,
"serial_no": rm.serial_no
})
+ if not item_rate:
+ from erpnext.controllers.stock_controller import get_valuation_rate
+ item_rate = get_valuation_rate(bom_item.item_code, self.supplier_warehouse)
rm.rate = item_rate or bom_item.rate
else:
rm.rate = bom_item.rate