Hi,

The error message suggests verifying the route's configuration.

1. Go to inventory -> routes

2. select the route that you have set on test_product

3. Check the rule, the rule supply method is to Trigger another rule or Take from stock, if unavailable, trigger another rule.In this case, you have to add another rule to replenish the product in stock or add the 'Buy' or 'Manufacture' route to the product along with the current route.

To update the product to location ;

1. Go to product -> Update quantity-> update product in locationOtherwise, check the route 'Buy' destination location

For more details, Please refer to the blog:https://www.cybrosys.com/blog/how-to-manage-rules-and-routes-in-odoo-17-inventory

Hope it helps,