# 324
source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/324/index.md

This error occurs when there's a mismatch between the user's account information provided to your application and the information held at the financial institution.

|             Title             |                                                                                                                                                                                                                                                                                      Details                                                                                                                                                                                                                                                                                      |
|-------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Aggregation Status Code**   | 324                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Remediation Category**      | Data Connect Fix                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| **HTTP Status**               | 500                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Error Type**                | Account Error                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| **Data Connect Alert**        | We ran into a connection error, try again later or select another institution. (324)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Error Message**             | During the add account process an error occurred in the financial institution connection. Submitting a [support ticket](https://developer.mastercard.com/open-finance-us/documentation/support/index.md#create-a-support-case-in-scm) is the recommended action. For already added accounts this means that the customer's account information has changed at the financial institution. Submitting a [support ticket](https://developer.mastercard.com/open-finance-us/documentation/support/index.md#create-a-support-case-in-scm) is the recommended action to fix this issue. |
| **Common Causes**             | The account did not update because there was a mismatch detected between account connected by the end user and the account available at the financial institution.                                                                                                                                                                                                                                                                                                                                                                                                                |
| **Troubleshooting Steps**     | Submit a support ticket for troubleshooting.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| **Data Connect Fix Eligible** | No.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Retriable by End User**     | No.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Access to Latest Data**     | You will be unable to access the latest data for this user's account until the issue is resolved.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |

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