# 20027
source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/20027/index.md

This error occurs when the account number or account routing number is not found.

|             Title             |                                                                                                       Details                                                                                                        |
|-------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Error Code**                | 20027                                                                                                                                                                                                                |
| **Remediation Category**      | Verify Account or Data State                                                                                                                                                                                         |
| **HTTP Status**               | 500                                                                                                                                                                                                                  |
| **Error Type**                | Request Error                                                                                                                                                                                                        |
| **Data Connect Alert**        | No associated alert.                                                                                                                                                                                                 |
| **Error Message**             | Real account number and Routing Number not found.                                                                                                                                                                    |
| **Common Causes**             | Ensure that you're attempting to retrieve the routing number for an account type that typically has one, such as a checking or savings account. Some account types, like loan accounts, do not have routing numbers. |
| **Troubleshooting Steps**     | Retry with a valid account type and account number. If issue persists, submit a [support ticket](https://developer.mastercard.com/open-finance-us/documentation/support/index.md#create-a-support-case-in-scm).      |
| **Data Connect Fix Eligible** | No.                                                                                                                                                                                                                  |
| **Retriable by End User**     | No.                                                                                                                                                                                                                  |
| **Access to Latest Data**     | You will be unable to retrieve the latest data until the issue is resolved.                                                                                                                                          |

[Full Error List](https://developer.mastercard.com/open-finance-us/documentation/errors/error-list/index.md) \| [Request Errors](https://developer.mastercard.com/open-finance-us/documentation/errors/request-errors/index.md) --\>