cannot parked domain

[ericksonqua38]

i cannot add a parked domain, it returned an error.

and i configure the domain to point at
ns1.x10hosting.com
ns2.x10hosting.com

and i also can;t used it as an addon domain

[DeadBattery]

What domain are you attempting to add to cPanel?
It can take 24-48 hours for a domain's nameservers to update.