{
"code": "VersionTooOld",
"target": "Unknown",
"details": [
{
"code": "VersionTooOld",
"number": 2601,
"message": "Version Too Old.",
"description": "The API version you passed in the request is no longer supported. Please provide a supported API version.",
"faultCode": "Client",
"helpLink": "http://developer.avalara.com/avatax/errors/VersionTooOld",
"severity": "Error"
}
]
}
This indicates that the version requested is no longer supported.