---
url: /errors/register_payer_personal_iban_already_registered.md
---
# `register_payer_personal_iban_already_registered`

`register_payer_personal_iban_already_registered`

## Description

The IBAN provided is already registered as a personal IBAN for this payer.

## HTTP Status

`409 Conflict`

## `doc_url` Format

The `doc_url` value is an absolute URL and changes by environment:

`<docs-base-url>/errors/register_payer_personal_iban_already_registered`

## Typical Causes

* The same IBAN was previously registered for the same payer.
* A duplicate IBAN was provided in the request.

## How To Fix

1. Verify the IBAN is not already registered.
2. Use a different IBAN if registration is needed again.