You can contact Etsy support via the link in your shop manager
Help > Contact Us
Or see if you have the chat box icon in the bottom right hand corner.
However they tend to reply with a generic response and it could be several days before you get a personalised reply. By that time I would hope that your shop is off vacation again. They are probably checking all the IDs manually so maybe give it a couple of days. I know it's frustrating though, especially at this time of the year.
