# 905 source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/905/index.md This error occurs when an existing connection to a financial institution is down and the end user may experience a failed attempt to add their bank accounts.​ | Title | Details | |-------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **Error Code** | 905 | | **Remediation Category** | Retry Later | | **HTTP Status** | 500 | | **Error Type** | Institution Error | | **Data Connect Alert** | This attempt has been logged. The connection to this financial institution is currently in the second phase of the creation process. Please attempt to log-in (up to 5 attempts in a row if possible) in order to store all the additional authentication information needed, then try again in 2-3 days. (905) | | **Error Message** | If user specific issue or FI partially broken or FI completely broken and it is existing. Programmed to gather login credentials questions on attempt.​ | | **Common Causes** | The connection to this financial institution is being fixed. If the customer can make multiple attempts to add it will assist in the fix process. | | **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. ​Simultaneously, Data Connect display alerts will automatically prompt the end user when they are in session to take suggested remediation action associated with this error. ​Best Practice: Developers may prompt the end users to log into their application to ensure the end users can take recommended action to resolve the issue. | | **Data Connect Fix Eligible** | No. | | **Retriable by End User** | Yes, the end user will need to make 3-5 authentication attempts which will assist in the troubleshooting process. ​ | | **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)