# 972 source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/972/index.md This error occurs when the connection to a financial institution is not supported. | Title | Details | |-------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **Error Code** | 972 | | **Remediation Category** | Report or Escalate for Investigation | | **HTTP Status** | 500 | | **Error Type** | Institution Error | | **Data Connect Alert** | No associated alert. | | **Error Message** | This request is not allowed for Aggregator.​ | | **Common Causes** | There could be multiple reasons for these errors: * Institution does not support aggregation. * support some Open Finance products. ​ | | **Troubleshooting Steps** | If you consider this financial institution to be crucial for your application, email Mastercard support at [OB.Institutions@mastercard.com](mailto:OB.Institutions@mastercard.com). They can provide the status of the institution and let you know of any possibilities for future support.​ | | **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) \| [Account Errors](https://developer.mastercard.com/open-finance-us/documentation/errors/account-errors/index.md) \| [Institution Errors](https://developer.mastercard.com/open-finance-us/documentation/errors/institution-errors/index.md)