ErrorsAll codes
MARK_SENT_ALREADY_SENT
The invoice is already in SENT status.
Category: Invoices
Example response
When this error occurs, the API returns a JSON response with the following shape:
{
"type": "https://docs.beel.es/errors/MARK_SENT_ALREADY_SENT",
"title": "MARK_SENT_ALREADY_SENT",
"detail": "The invoice is already in SENT status.",
"instance": "/v1/<resource>",
"errors": [],
"success": false,
"error": {
"code": "MARK_SENT_ALREADY_SENT",
"message": "The invoice is already in SENT status.",
"details": {}
},
"meta": {
"timestamp": "2026-05-21T10:00:00Z",
"request_id": "4bf92f3577b34da6a3ce929d0e0e4736"
}
}The type URI is stable and always resolves to this page.
Message
The invoice is already in SENT status.
La factura ya está en estado ENVIADA.
La factura ja està en estat ENVIADA.
Send the request with Accept-Language: <es|en|ca> to receive the message in your preferred language.
Other errors in this category
BULK_PDF_ERROR
Error processing bulk PDF download
CANCELLATION_VIA_SPECIFIC_ENDPOINT
To cancel an invoice use the specific cancellation endpoint
CANNOT_DUPLICATE_DELETED_INVOICE
Cannot duplicate a deleted invoice
CLIENT_NOT_FOUND
Customer not found: {0}
DELETION_FAILED
Error deleting the invoice