fix: don't map item row having `0` qty
diff --git a/erpnext/manufacturing/doctype/blanket_order/blanket_order.py b/erpnext/manufacturing/doctype/blanket_order/blanket_order.py
index 3298f43..d03f019 100644
--- a/erpnext/manufacturing/doctype/blanket_order/blanket_order.py
+++ b/erpnext/manufacturing/doctype/blanket_order/blanket_order.py
@@ -82,6 +82,7 @@
 				"doctype": doctype + " Item",
 				"field_map": {"rate": "blanket_order_rate", "parent": "blanket_order"},
 				"postprocess": update_item,
+				"condition": lambda item: (flt(item.qty) - flt(item.ordered_qty)) > 0,
 			},
 		},
 	)