Error 12304 — Revise/Relist item failed

The flag ThirdPartyCheckout for this item is on. ThirdPartyCheckout Feature is temporarily not available, however. Revise/Relist item failed.

Specific eBay error condition affecting how the listing is processed — see the linked official article in eBay's developer reference for the exact mechanism.

1. Open the linked eBay developer reference for the specific error number to read the full description.
2. Identify the affected listing(s) in your seller account and review the offending field.
3. Make the necessary corrections through your listing tool, API call, or seller hub.
4. Resubmit and confirm the error clears in the response or in your listing-quality dashboard.

• Assuming eBay errors auto-resolve — most require an active correction and resubmission