I have been trying to fine a way out to the error with my domain order from the front end, when i click on checkout it reports opps Error: Invalid TLD/Registration Period Supplied for Domain Registration
Now when ever you click on register a domain it displays the below: error 409
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at firstname.lastname@example.org to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.