# 10030
source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/10030/index.md

This error occurs when there's an unexpected server error while processing the request.

|             Title             |                                                                                                         Details                                                                                                         |
|-------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Error Code**                |                                                                                                                                                                                                                         |
| **Remediation Category**      | Report or Escalate for Investigation                                                                                                                                                                                    |
| **HTTP Status**               | 500                                                                                                                                                                                                                     |
| **Error Type**                | Request Error                                                                                                                                                                                                           |
| **Data Connect Alert**        | Not applicable.                                                                                                                                                                                                         |
| **Error Message**             | Unexpected system error​.                                                                                                                                                                                               |
| **Common Causes**             | An unexpected error has occurred and the required data was not received during the [Modify Customer by ID](https://developer.mastercard.com/open-finance-us/documentation/api-reference/index.md#ModifyCustomer) call.​ |
| **Troubleshooting Steps**     | Submit a [support ticket](https://developer.mastercard.com/open-finance-us/documentation/support/index.md#create-a-support-case-in-scm) for troubleshooting.                                                            |
| **Data Connect Fix Eligible** | No.                                                                                                                                                                                                                     |
| **Retriable by End User**     | No.​                                                                                                                                                                                                                    |
| **Access to Latest Data**     |                                                                                                                                                                                                                         |

[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)