Hello, in regards to the actual bug posted here: The treasure keys should not be available this week, and we have asked that the devs remove them from shop. In regards to spending on a bugged item, please contact CS, they will be able to verify and help out with your situation. I will include a link to CS below.

Note: I will be cleaning up this post to allow others who have experienced this issue to easily fix their issue. Thank you guys for trying to help.

https://support-center.oasgames.com/

Customer Service has to check records on each account that this happened to before they can proceed with fixing things. Sorry for the delay. I will attempt to get them to expedite things due to the end of the event week nearing.