EmailValidationError
Example
{
	"code": "EmailValidationError",
	"target": "Unknown",
	"details": [
		{
			"code": "EmailValidationError",
			"number": 15,
			"message": "Invalid email address.",
			"description": "Ensure that the email address is properly formatted.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/EmailValidationError",
			"severity": "Error"
		}
	]
}
Explanation

This indicates that you attempted to provide an email address that does not conform to email address standards. An email address is in the format user@domain.org, where domain.org refers to an existing DNS record. Please check your email address and try again.