Error changing Main Domain name

[advstudents68]

Hello,

I am trying to modify my main domain name to jar022.co.cc and an error occur:

Hosting Domain Modification
submitted March 24 at 6:19 pm
0IQnRzAicl63
action status
Error
information
A change to your hosting account's primary domain.
result
A system error occurred while processing this action.

Error Code: C085843B

I have pointed the nameserver correctly, so, is there anything I can do to fix the problem?

Thanks