Problem on "Handling errors"

### Description

<img width="657" height="448" alt="Image" src="https://github.com/user-attachments/assets/78a5ffc6-92d2-4c3d-8d53-d1a78015edfa" />

Incorrect class name and syntax.

Link to page: [Handling errors](https://yiisoft.github.io/docs/guide/runtime/handling-errors.html)

### Package version

_No response_

### PHP version

_No response_