fix(sales_order.py): handle zero bundle qty
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 9873efa..947d693 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -282,6 +282,10 @@
total_bundle_qty = frappe.db.sql(""" select sum(qty) from
`tabProduct Bundle Item` where parent = %s""", (frappe.db.escape(self.product_bundle_item)))[0][0]
+ if not total_bundle_qty:
+ # product bundle is 0 (product bundle allows 0 qty for items)
+ total_bundle_qty = 1
+
cond = "product_bundle_item = %s" if self.product_bundle_item else "production_item = %s"
qty = frappe.db.sql(""" select sum(qty) from