RefundTypeAndLineMismatch
Example
{
	"code": "RefundTypeAndLineMismatch",
	"target": "Unknown",
	"details": [
		{
			"code": "RefundTypeAndLineMismatch",
			"number": 703,
			"message": "Lines for refund do not match with refund type",
			"description": "There are -0- lines for refund, and the refund type is -1-. If refund type is full, refund lines should be null.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/RefundTypeAndLineMismatch",
			"severity": "Error"
		}
	]
}
Explanation

This indicates that you specified a Full refund, but the lines parameter was not null. When specifying a Full refund type, the percentage value and lines must both be null.