{
"code": "InvalidFileContentType",
"target": "Unknown",
"details": [
{
"code": "InvalidFileContentType",
"number": 186,
"message": "The batch file -0- has invalid content type",
"description": "The batch file content type can not be null or empty string or whitespace only.",
"faultCode": "Client",
"helpLink": "http://developer.avalara.com/avatax/errors/InvalidFileContentType",
"severity": "Error"
}
]
}
This indicates that the file content type could not be determined correctly. Please select a valid file content type for your batch.