# 20020
source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/20020/index.md

This error indicates that there's an issue with the way your request was formatted or the data you included in it.

|             Title             |                                                                                                                                                                                Details                                                                                                                                                                                |
|-------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Aggregation Status Code**   | 20020                                                                                                                                                                                                                                                                                                                                                                 |
| **Remediation Category**      | Invalid Input                                                                                                                                                                                                                                                                                                                                                         |
| **HTTP Status**               | 500                                                                                                                                                                                                                                                                                                                                                                   |
| **Error Type**                | Request Error                                                                                                                                                                                                                                                                                                                                                         |
| **Data Connect Alert**        | No associated alert.                                                                                                                                                                                                                                                                                                                                                  |
| **Error Message**             | Unsupported file type.                                                                                                                                                                                                                                                                                                                                                |
| **Common Causes**             | This error can occur if the file you are trying to upload doesn't meet the requirements.                                                                                                                                                                                                                                                                              |
| **Troubleshooting Steps**     | Ensure the file you are uploading matches the following requirements: * Upload the most recent paystub for each employer (limit is 3 files) * One paystub file can only contain the details for one paystub * Acceptable file types; .pdf, .png. and jpeg * The file size limit is 25 MB * No bank statements or non-paystub images * No password-protected PDF files |
| **Data Connect Fix Eligible** | No.                                                                                                                                                                                                                                                                                                                                                                   |
| **Retriable by End User**     | No.                                                                                                                                                                                                                                                                                                                                                                   |
| **Access to Latest Data**     | You can continue to retrieve the latest data for the user's account.                                                                                                                                                                                                                                                                                                  |

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