nok: Errors found, invoice not delivered
What it means
RO e-Factura status nok means the system found errors in the invoice file and did not process it, so the invoice does not reach the buyer.
The usual cause
The system found errors in the uploaded invoice file. Check the error file for the specific cause.
How to fix it
Download the answer, a ZIP with the file that lists the errors and the Ministry of Finance's signature. Correct each error it names in your invoice, then upload the corrected file again.
The code as published
nok is the value ANAF itself sends, as its documentation writes it; the explanation is Klarbon's.
Read the official document . Source: Prezentare servicii web pentru Sistemul național privind factura electronică RO e-Factura, version 2025-02, published by Ministerul Finanțelor, read on 8 November 2026.
Klarbon explains each code in its own words; the official wording is in the document linked above.
Look at your file
Open the file in your browser to see what it holds: Open a Romanian e-Factura invoice. Open a Romanian e-Factura invoice