Error: Can't add domain: already in our system

Help! , i am trying to add a new domain that i would like to host. The
domain is “”. When i try to “Park it” or “Fully host” i
get the message. "Can’t add domain: already in our system."
I used to have some dreamhosted sites forwarded to my
address. i have since parked those sites agin with in dreamhost. Why cant i add for hosting?
HELP! my last hosting company did not tell me my account was up so all of my buinessw email are now going to space!

E-mail support, they don’t read this forum.
Promo Code: WJD97 - $97.00 off any new DreamHost plan (except month-month payments).