Domain Cloaking Error

We're sorry, we had a problem with our web panel when you set up cloaking for your domain sell-your-ugly-house.com!
Please go to the DreamHost Web Panel's Domains > Manage Domains area and click the [Edit] link next to sell-your-ugly-house.com to re-configure cloaking.

Error: no domain www.sell-your-ugly-house.com or sell-your-ugly-house.com; if you recently set this up, please wait up to one hour.