When trying to publish offer I get the following response from sandbox. https://api.sandbox.ebay.com/sell/inventory/v1/offer/7910258010/publish results in a 400 Bad Request
{ "errors": [ { "errorId": 25001, "domain": "API_INVENTORY", "subdomain": "Selling", "category": "REQUEST", "message": "A system error has occurred. Sorry, error is encountered when creating your item." } ] }
The same inventory item, same offer details publishes just fine on production.