errorHUnav

HU-R-003:NAV technical user required

NAV reporting requires registered technical user.

Fix this in your source system

MANUAL

NAV Online Invoice reporting requires a registered technical user (technikai felhasználó) with valid credentials. Register at onlineszamla.nav.gov.hu and configure the credentials in your invoicing software.

See the step-by-step instructions below to fix this error manually.

Why This Error Matters

Technical user enables API access.

How to Fix It

1

Register user

In NAV Online Invoice portal

2

Get credentials

API key and technical user

3

Configure system

Set up API connection

Technical Details

NAV API authentication

Common Causes

  • No technical user
  • Invalid credentials

Frequently Asked Questions

NAV reporting requires registered technical user.
Register technical user in NAV Online Invoice. Invoice Navigator can help identify and fix this issue.
Yes, HU-R-003 is a critical error that must be fixed.

See Also

🇭🇺

E-Invoicing in Hungary

Requirements & common errors

Related Errors

HU-R-002

NAV Online Invoice reporting required

Last updated: 19 January 2026

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