# 973
source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/973/index.md

This error occurs when the connection to a financial institution is not supported.

|             Title             |                                                   Details                                                   |
|-------------------------------|-------------------------------------------------------------------------------------------------------------|
| **Error Code**                | 973                                                                                                         |
| **Remediation Category**      | Re-Authenticate or Provide Additional Information                                                           |
| **HTTP Status**               | 500                                                                                                         |
| **Error Type**                | Institution Error                                                                                           |
| **Data Connect Alert**        | No associated alert.                                                                                        |
| **Error Message**             | The user is not authorized for the requested resource or online access.                                     |
| **Common Causes**             | This error is caused when the end user is not authorized to access their accounts due to security reasons.​ |
| **Troubleshooting Steps**     | Prompt the end user to contact their bank to resolve the access issue.                                      |
| **Data Connect Fix Eligible** | No.                                                                                                         |
| **Retriable by End User**     | Yes, the end user may add another account to continue or contact you for more support.                      |
| **Access to Latest Data**     | You will be unable to access the latest data for this user's account until the end user resolves the issue. |

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