{
"code": "MissingLine",
"target": "Unknown",
"details": [
{
"code": "MissingLine",
"number": 311,
"message": "Transactions must have at least one line.",
"description": "The CreateTransactionModel object must have an element called 'lines', with at least one valid line record.",
"faultCode": "Client",
"helpLink": "http://developer.avalara.com/avatax/errors/MissingLine",
"severity": "Error"
}
]
}
This indicates that you attempted to create a tax transaction with no lines. A transaction must have at least one line in order to be created. Please add a line to the transaction and try again.