Have you tried to restore your IP for that theme item in the "My purchases" section and enter your license key again?
under the theme you bought, you'll see "Reset" button, click on it and then enter the license key for the theme again
Sorry Ross. It is still doing it. Changing to default theme. Only did this after the oxwall update.
try to go to "my purchases" section and reset your IP
This is what I did for Joe and the problem was resolved.