There was another one of these this morning. They started on September 13.

https://docs.adyen.com/development-resources/webhooks/understand-notifications
https://docs.adyen.com/api-explorer/#/Webhooks/latest/post/OFFER_CLOSED

From @jgleeson's previous research:

"The docs say this can happen when the donor abandons the session. However, after looking at a few, it seems some of them are due to repeat donation attempts in a short period. The odd thing is that the OFFER_CLOSED message typically comes in shortly after the donation, e.g. 1/30/60 minutes after and not 12 hours later. "

They are all EUR