> ## Documentation Index > Fetch the complete documentation index at: https://docs.argyle.com/llms.txt > Use this file to discover all available pages before exploring further. # Bank Accounts > Bank account information. ## Aggregation status codes The `aggregation_status_code` returned in the bank account object provides information on either: * The connection status of the individual bank account * An error the user encountered, and how to resolve | Code | Description | Required Action | | -------------------------------------------------------------------- | -------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | 0 | Success | No issues encountered. | | 103 | Bad login credentials | Have the user enter new login credentials via a [Connect URL](/api-reference/connect-url). | | 108 | User prompt encountered | Have the user log in to their bank account and resolve the pop-up banner, typically by accepting new **Terms and Conditions** or acknowledging other account alerts. | | 109 | Credentials expired - new password required | Have the user log in to their bank account and set a new password, then use a [Connect URL](/api-reference/connect-url) to have the user enter the new login credentials. | | 169 | Duplicate account | Have the user keep one account and delete the duplicate(s) via a [Connect URL](/api-reference/connect-url). | | 185 | Security challenge encountered | Use a [Connect URL](/api-reference/connect-url) to have the user answer the **Multi-Factor Authentication (MFA)** questions or enter the **One-Time Passcode (OTP)** sent by the financial institution. | | 187 | Incorrect security challenge answers | Use a [Connect URL](/api-reference/connect-url) to have the user answer the **Multi-Factor Authentication (MFA)** questions. | | 945 | OAuth migration (account migrated but not consented) | Prompt the user to re-authenticate via a [Connect URL](/api-reference/connect-url). Otherwise, have the user delete the account and add it again under the same bank with the OAuth connection indicated by the [financial institutions endpoint](/api-reference/financial-institutions). | | 946 | Account not found (account may have been closed) | Prompt the user to authenticate the right account via a [Connect URL](/api-reference/connect-url). Otherwise, have the user delete the account via a [Connect URL](/api-reference/connect-url) and then find and add an active account. | | 947 | Token expired or refresh required | A new token is needed; issue a new [Connect URL](/api-reference/connect-url) for the user. | | 948 | OAuth migration (account migrated but not authenticated) | Prompt the user to re-authenticate via a [Connect URL](/api-reference/connect-url). Otherwise, have the user delete the account and add it again under the same bank with the OAuth connection indicated by the [financial institutions endpoint](/api-reference/financial-institutions). | | 949 | Account unrecoverable | Have the user delete the account and re-enter via a [Connect URL](/api-reference/connect-url) to re-add the account. | | 147, 148, 173, 176, 181, 190, 900, 901, 903, 904, 906, 907, 940, 950 | Additional support required | Contact Argyle support. |