Bug: Error 500 on authorization

[Chebanya]

Summary

Error 500 when authorizing a registered user (closed bug report https://github.com/hexlet-codebattle/codebattle/issues/1982#issue-2564612654)

https://github.com/user-attachments/assets/ccf67edc-60f6-4004-8d02-c10cb02e0853

Reproduction steps

1. Open the page with user authorization on the site - https://codebattle.hexlet.io/session/new?locale=en&next=%2F.
2. Open DevTools
3. Select the Network tab
4. Click on Fetch/XHR
5. Enter the e-mail address of the logged in user
6. Enter password
7. Click Submit

Expected result

The user is logged in, the server has responded positively to the request

Actual result

The user is not logged in, the server responded with error 500 to the request

Сurrent version of the site: 1c3e2ba Google Chrome 129.0.6668.60 (Официальная сборка), (x86_64) MacOS Ventura 13.3.1

Browsers

Chrome

OS

Mac