What do I do if an error message is displayed?

These are the error messages generated from ReadSpeaker:

Error message	Reason/Solution
Access denied.	The service is used on a page that is not authorized in your account. Contact your sales representative for additional domains.
Invalid customer ID given.	Check that you're using the accurate customer ID in the call.
No language found.	Check that you're using the accurate language code in the lang parameter. The available languages in your account can be found in your account details.
No voice found.	Check that you're using the accurate voice code in the voice parameter.