Domain Mapping Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Apache Server at Port 80

I get this in my back office when I try to click on the site in administration. When I go to the site in the from via the url
I get the godaddy parked domain.