If the product is out of stock in the marketplace, on any other regular sellers, and the show out of stock flag is unchecked, the product will be displayed out of stock on the storefront or Search API, even though it has stock in franchise accounts. It is possible to add the product to the cart.

Show out of stock? • False -> 404• True -> regionalization -> check stocks from franchise accounts

Simulation

• Put stock in the franchise account.
• Set the flag Show out of stock as no.

See the product is unavailable on the front.

Workaround

Set Show out of stock as yes in the marketplace account.