{
"code": "LineAlreadyExists",
"target": "Unknown",
"details": [
{
"code": "LineAlreadyExists",
"number": 1101,
"message": "The line to be added has already existed.",
"description": "Line -0- exists. You can't add an existing line to existing transaction.",
"faultCode": "Client",
"helpLink": "http://developer.avalara.com/avatax/errors/LineAlreadyExists",
"severity": "Error"
}
]
}
When calling the AddLines API, you must specify the line numbers of the lines you want to add. If you specify a line number that conflicts with an existing line number, you will receive this error.