Can't make an account

I attempted to make an account and this message popped up:

Problem...
Unfortunately, we have detected that the following username(s) have already been registered from your IP address. If you believe this is in error, or you are trying to legitimately change your account, please open a dispute and a sythe.org staff member will assist you. Make sure you include everything on this page in your dispute or it will not be addressed.

Username(s)
DynexTv
DynexTV Recovery
Time: 1319233383
Ip address: 70.125.1.62

recover your account, dont make a new one