# Error Codes

The general error structure of the services and the error groups that may be returned are as follows.

### Error Groups

<table data-full-width="false"><thead><tr><th>Hata Grubu</th><th>Açıklama</th></tr></thead><tbody><tr><td><code>TIMEOUT_ERROR</code></td><td>While waiting for a response from the device, if it does not return within a certain time, a timeout occurs and this error group is returned.</td></tr><tr><td><code>SYSTEM_ERROR</code></td><td>If a system error occurs while waiting for a response from the device, if there is a problem with the sent token information, if there is a temporary issue in the system, or if an unexpected situation arises, this error group is returned.</td></tr><tr><td><code>BANK_ERROR</code></td><td>If the transaction receives an error on the bank side (other than authCode 00), this error group is returned.</td></tr><tr><td><code>DEVICE_ERROR</code></td><td>If an error is returned from the device, this error group is returned.</td></tr><tr><td><code>PAYMENT_ERROR</code></td><td>If an error is received from iyzico Payment services, this error group is returned.</td></tr><tr><td><code>BUSINESS_ERROR</code></td><td>If a situation that should not occur in terms of business logic has occurred, this error group is returned.</td></tr><tr><td><code>VALIDATION_ERROR</code></td><td>If there is a problem with the sent request, this error group is returned.</td></tr></tbody></table>

### Error Messages

<table data-full-width="false"><thead><tr><th width="199.796875">Hata Grubu</th><th width="140.98046875">Hata Kodu</th><th>Hata Mesajı </th></tr></thead><tbody><tr><td><code>TIMEOUT_ERROR</code></td><td>380103</td><td><pre><code>EN:
Timeout occurred while waiting for device response!

TR:
Cihaz yanıtı beklenirken zaman aşımı oluştu! </code></pre><p></p></td></tr><tr><td><code>BANK\_ERROR</code></td><td></td><td>The error message returned from the bank is being forwarded.</td></tr><tr><td><code>PAYMENT\_ERROR</code></td><td></td><td>The error message received from the payment service is being transmitted.</td></tr></tbody></table>

### "System Error" Error Messages

<table><thead><tr><th>Hata Grubu</th><th>Hata Kodu</th><th>Hata Mesajı</th></tr></thead><tbody><tr><td><code>SYSTEM_ERROR</code></td><td>100310</td><td><pre><code>EN:
Invalid token!

TR:
Geçersiz token! </code></pre></td></tr><tr><td><code>SYSTEM\_ERROR</code></td><td>100311</td><td><pre><code>EN:
Access token expired!

TR:
Token kullanım süresi dolmuştur! </code></pre></td></tr><tr><td><code>SYSTEM\_ERROR</code></td><td>380102</td><td><pre><code><strong>EN: </strong><strong>You do not have access to the information of this auth device! </strong><strong> </strong><strong>TR: </strong>Auth device bilgisine erişim hakkı yoktur! </code></pre></td></tr></tbody></table>

### "Device Error" Error Messages

<table><thead><tr><th>Hata Grubu</th><th>Hata Kodu</th><th>Hata Mesajı</th></tr></thead><tbody><tr><td><code>DEVICE_ERROR</code></td><td>380201</td><td><pre><code>EN:
Terminal is currently busy, please wait for the previous operation to complete

TR:
Terminal şu anda meşgul bir önceki işlemin bitmesini bekleyin </code></pre></td></tr><tr><td><code>DEVICE\_ERROR</code></td><td>380202</td><td><pre><code>EN:
Techpos application could not be started. Please try again.

TR:
Techpos uygulaması başlatılamadı. Lütfen tekrar deneyin. </code></pre></td></tr><tr><td><code>DEVICE\_ERROR</code></td><td>380203</td><td><pre><code>EN:
Null response received from Techpos application

TR:
Techpos uygulamasından boş (null) yanıt alındı </code></pre></td></tr><tr><td><code>DEVICE\_ERROR</code></td><td>380204</td><td><pre><code>EN:
Error occurred during refresh token and user session has been terminated

TR:
Refresh token sırasında hata oluştu ve kullanıcı oturumu sonlandırıldı

</code></pre></td></tr><tr><td><code>DEVICE\_ERROR</code></td><td>380205</td><td><pre><code>EN:
Response message to be sent from device could not be created

TR:
Cihazdan gönderilecek yanıt mesajı oluşturulamadı </code></pre></td></tr></tbody></table>

### Validation Error Messages

<table><thead><tr><th>Hata Grubu</th><th>Hata Kodu</th><th>Hata Mesajı</th></tr></thead><tbody><tr><td><code>VALIDATION_ERROR</code></td><td>380104</td><td><pre class="language-json"><code class="lang-json">EN:
Device request validation error! Details: {0}
TR:
Request doğrulama hatası! Detaylar: {0}
</code></pre></td></tr><tr><td><code>VALIDATION_ERROR</code></td><td>380105</td><td><pre class="language-json"><code class="lang-json"><strong>EN:
</strong>Operation {0} is not supported for device modal: {1}
TR:{0} işlemi {1} model cihazda desteklenmemektedir

</code></pre></td></tr><tr><td><code>VALIDATION\_ERROR</code></td><td>380111</td><td><pre class="language-json"><code class="lang-json">EN:
Either transactionReferenceId or paymentId must be provided.
TR:
TransactionReferenceId veya PaymentId sağlanmalıdır. </code></pre></td></tr></tbody></table>

### "Business Error" Error Messages

<table><thead><tr><th>Hata Grubu</th><th>Hata Kodu</th><th>Hata Mesajı</th></tr></thead><tbody><tr><td><code>BUSINESS_ERROR</code></td><td>380101</td><td><pre><code><strong>En:
</strong><strong>Auth Device not found! For username: {0}
</strong><strong>
</strong>
TR:
Auth Device bulunamadı! username: {0}
</code></pre></td></tr><tr><td><code>BUSINESS_ERROR</code></td><td>380107</td><td><pre><code><strong>En:
</strong><strong>Payment not found with paymentId: {0}
</strong>
TR:
Ödeme bulunamadı paymentId: {0}
</code></pre></td></tr><tr><td><code>BUSINESS_ERROR</code></td><td>380108</td><td><pre><code><strong>En:
</strong>Payment not found with id: {0}

TR:
Ödeme bulunamadı id: {0} </code></pre></td></tr><tr><td><code>BUSINESS\_ERROR</code></td><td>380109</td><td><pre><code><strong>En: </strong>Payment not found with orderId: {0}

TR:
Ödeme bulunamadı orderId: {0} </code></pre></td></tr><tr><td><code>BUSINESS\_ERROR</code></td><td>380112</td><td><pre><code><strong>En: </strong>The amount you want to cancel/refund is not available in your account. Please check your balance information.

TR:
İptal/iade yapmak istediğiniz tutar hesabınızda yoktur. Lütfen bakiye bilgilerinizi kontrol ediniz. </code></pre></td></tr></tbody></table>