eBay Error 21917141: To require immediate payment, you must specify a Buy It Now price.

Why this happens

If you list an Auction with payment settings requiring the buyer to pay immediately, eBay requires a Buy It Now price. Why eBay enforces this: Immediate payment is only possible when a buyer can buy at a fixed price. An auction needs a Buy It Now price for eBay to require immediate payment. When it usually happens: It usually appears when a payment policy with immediate payment is assigned to auctions.

How to fix it

This error in other languages

German: Um sofortige Bezahlung zu verlangen, müssen Sie einen Sofort-Kaufen-Preis angeben. French: Pour exiger un paiement immédiat, vous devez indiquer un prix d'Achat immédiat. Italian: Per richiedere il pagamento immediato, devi specificare un prezzo Compralo Subito. Spanish: Para exigir el pago inmediato, debes indicar un precio de ¡Cómpralo ya!.