UPDATE - I got through to chat (19th Dec 2023) and they fixed it. Below is the message from them.
"This was a bug on our platform that seemed to have appeared on your site. After going through the steps on the backend that are available to our Support team, it should not happen again.
Thanks for reporting this to us. Our Engineering teams are prioritizing a fix for this as we speak.
That said, these reports are crucial for us as we improve our platform. If you notice any other unusual behavior, please contact us again."