# 20017 source: https://developer.mastercard.com/open-finance-us/documentation/errors/error-codes/20017/index.md This error occurs when the requested entity doesn't exist or cannot be found. | Title | Details | |-------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **Aggregation Status Code** | 20017 | | **Remediation Category** | Invalid Input | | **HTTP Status** | 500 | | **Error Type** | Request Error | | **Data Connect Alert** | No associated alert. | | **Error Message** | Customer search failed. ​ | | **Common Causes** | This error could be due to various reasons such as incorrect customerId, or issues with your request. | | **Troubleshooting Steps** | Retry with a valid customerId. If the issue persists, submit a [support ticket](https://developer.mastercard.com/open-finance-us/documentation/support/index.md#create-a-support-case-in-scm). ​ | | **Data Connect Fix Eligible** | No. | | **Retriable by End User** | No. | | **Access to Latest Data** | You cannot access the latest data for this account until the issue is resolved. | [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)