---
title: "Simulated Errors"
source_url: https://docs.rapyd.net/en/simulated-errors.html
lang: en
---

# Simulated Errors

| Error Code | Description |
| --- | --- |
| ERROR_CREATE_PAYMENT_GATEWAY_NOT_RESPONDING | This is a simulated error because the amount was set between 4000 and 4009. The simulated error is INTERNAL_ERROR. |
| ERROR_PROCESS_PAYMENT_EXPIRED | The sandbox detected a simulated error, where the payment could not be processed because of expiration of the payment. |
| ERROR_PROCESS_PAYMENT_INSUFFICIENT_FUNDS | The sandbox detected a simulated error, where the payment could not be processed because of insufficient funds in the source of funds. |
| ERROR_PROCESS_PAYMENT_PROCESSOR_UNAVAILABLE | The sandbox detected a simulated error, where the payment could not be processed because the payment processor was unavailable. |
| ERROR_PROCESS_PAYMENT_SETTLEMENT_DECLINED | The sandbox detected a simulated error, where the payment could not be processed because settlement was declined. |
| ERROR_PROCESS_PAYMENT_SETTLEMENT_PENDING_ON_GATEWAY | The sandbox detected a simulated error, where the payment could not be processed because settlement remained pending on the gateway. |