# 2004: Due date parameter(s) not valid

At least one of the due date parameters is invalid. Please refer to chapter “Content parameter/Invoicing” of the API documentation. This rejection does not submit a customer message because it only can be returned with the backend operation CONFIRMATION_DELIVER.

| Language | Message |
|  --- | --- |
| DEU | Es trat ein technischer Fehler auf. Bitte versuchen Sie es zu einem späteren Zeitpunkt nochmal. |
| ENG | A technical error has occurred. Please try again at a later point in time. |
| FRA | Une erreur technique est survenue. Veuillez réessayer plus tard. |
| NLD | Er is een technische fout opgetreden. Probeert u het op een later tijdstip alstublieft nogmaals. |


Refers to Result Code:

[150: Processing failed](/docs/developer/api_integration/payment_1.8/payment_api_documentation/responses/result/150)