One or more LineItems are invalid

Error Description

Something has gone wrong with one or more line items (itms) in the invoice. This error typically is returned along with other errors in your CalcTaxes request.

Example

{
  "err": [
      {
        "code": -16,
        "msg": "One or more LineItems are invalid."
      }
  ]
}

How to Resolve

Check if any additional errors are returned (for example, Sale is required.). Resolve the other errors to clear this error.