TransactionAlreadyCancelled
Example
{
	"code": "TransactionAlreadyCancelled",
	"target": "Unknown",
	"details": [
		{
			"code": "TransactionAlreadyCancelled",
			"number": 198,
			"message": "The transaction has already been cancelled.",
			"description": "The transaction '-0-' is already in a 'Cancelled' status. There is nothing to be done.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/TransactionAlreadyCancelled",
			"severity": "Error"
		}
	]
}
Explanation

Your transaction has already been cancelled and cannot be cancelled again. To create a new one, please call the CreateTransaction API.