I have created a player card that displays properly when I use the card validator tool. However, each time I test it I see an error stating that my domain isn’t whitelisted. The validator doesn’t enable me to send a request, so at present I don’t know what to do. Has someone come across this problem before?
I have created other types of Twitter cards in the past and they all worked. Is it something that only affects player cards? The log doesn’t display any other errors.