# 2001 source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/2001/index.md This error occurs when the end user's consent authorization is not available. | Title | Details | |-------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------| | **Error Code** | 2001 | | **Remediation Category** | Invalid Input | | **HTTP Status** | 400 | | **Error Type** | Account Error | | **Data Connect Alert** | Please upload an unlocked PDF. (2001) ​ | | **Error Message** | Looks like your PDF is password protected. Unlock and upload the file again. ​ | | **Common Causes** | The request is missing a required parameter, includes an invalid parameter value, includes a parameter more than once, or is otherwise malformed.​​​ | | **Troubleshooting Steps** | Have the user upload a PDF that is not password protected. ​ | | **Data Connect Fix Eligible** | No. | | **Retriable by End User** | Yes, the end user needs to take specific action as prompted by the financial institution​. ​ | | **Access to Latest Data** | You will not be able to retrieve the latest data for this 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)