Trying to make an account

Trying to make an account on here to sell some skillers I made but I get this error. 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)

Entrr
Time: 1438894067

Ip address: 209.171.88.3

Ive never made an account on thus site before. Trying to do this through a pre owned iphone using my data connection. Idk why I grt this error help is appreciated!

 

Having troubles registering? Please post a new dispute with the following information, and we'll register an account for you!

Desired Username
E-Mail Address
Your skype name


Post a new dispute with the above info, thanks.