Gem Store Purchase Error
Sending PMs to Devs is frowned upon. You can read about it in the Sticky (FAQ) above.
In-game Bug Reports will garner no response, as indicated in the Bug Report window.
To obtain assistance, she can contact the CS Team via the ‘Support’ link above/below and ‘Submit a Request’.
Good luck.
Once filed correctly the purchase was refunded in less than a day. Kudos to ArenaNet.