# invoice_not_draft

**HTTP 409** · type `state_error`

## When

A change that only a draft allows (lines, amounts, delete).

## Fix

Void and create a new invoice, or fix it in the app.

## Where it comes from

- `PATCH /v1/invoices/{id}`: Update an invoice
- `DELETE /v1/invoices/{id}`: Delete a draft invoice

[All errors](/errors)