OldPasswordInvalid
Example
{
	"code": "OldPasswordInvalid",
	"target": "Unknown",
	"details": [
		{
			"code": "OldPasswordInvalid",
			"number": 23,
			"message": "Invalid password.",
			"description": "-0-",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/OldPasswordInvalid",
			"severity": "Error"
		}
	]
}
Explanation

This indicates that you attempted to reset a password, but you did not provide a correct old password value. Try this again using your correct old password value.