Céleste Mogador review for Preorderly • Preorder PreSale

Hello I have a problem with your app indeed I unchecked "If Inventory Management is handled by Shopify and" Allow customers to purchase this product when it's out of stock "is not checked pre-ordering will stop ounces reach 0." on the following products: https: //www.celeste-mogador.com/products/copie-de-bague-fleurs? variant = 21559167877180 but the pre-order button still appears while I have stock on this variant best regards fabrice