BearerTokenInvalid
Example
{
	"code": "BearerTokenInvalid",
	"target": "Unknown",
	"details": [
		{
			"code": "BearerTokenInvalid",
			"number": 37,
			"message": "The Bearer token you provided was not recognized by Avalara Identity.",
			"description": "If you have received a bearer token from Avalara Identity, this token may have expired.  Please contact Avalara Identity and request a refreshed token.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/BearerTokenInvalid",
			"severity": "Exception"
		}
	]
}
Explanation

This indicates that the Bearer Token that you used for authentication was not valid.