Is there an existing issue for this?

• I have searched the existing open and closed issues

Current Behavior

I am not able to use the search function in readarr as when I enter anything I get the following error message in Readarr:
Search for 'test' failed. Unable to communicate with ReadarrAPI, returning status code: 522.

In journalctl log the following error occurs:

When I tried to access https://api.bookinfo.club/ manually I would get the following cloudflare error:

I've tried looking in the Readarr Discord but all publicly avarilable invites I could find seemed to be expired.

Expected Behavior

Readarr Search function returns found books

Steps To Reproduce

1. In the Readarr WebUI
2. Search any book

Environment

- OS: Ubuntu 24.04 LTS
- Readarr: 0.4.5.2699
- Docker Install: No
- Using Reverse Proxy: No
- Browser: N/A
- Database: Sqlite 3.45.1

What branch are you running?

Master

Trace Logs?

Dec 14 11:58:24 media Readarr[3825647]: [Warn] HttpClient: HTTP Error - Res: HTTP/2.0 [POST] https://api.bookinfo.club/v1/book/bulk: 522.522 (15 bytes)
Dec 14 11:58:24 media Readarr[3825647]: error code: 522
Dec 14 11:58:24 media Readarr[3825647]: [Warn] BookInfoProxy: NzbDrone.Common.Http.HttpException: HTTP request failed: [522:522] [POST] at [https://api.bookinfo.club/v1/book/bulk]
Dec 14 11:58:24 media Readarr[3825647]: [v0.4.5.2699] NzbDrone.Common.Http.HttpException: HTTP request failed: [522:522] [POST] at [https://api.bookinfo.club/v1/book/bulk]
Dec 14 11:58:24 media Readarr[3825647]: at NzbDrone.Common.Http.HttpClient.ExecuteAsync(HttpRequest request) in ./Readarr.Common/Http/HttpClient.cs:line 119
Dec 14 11:58:24 media Readarr[3825647]: at NzbDrone.Common.Http.HttpClient.PostAsync[T](HttpRequest request) in ./Readarr.Common/Http/HttpClient.cs:line 372
Dec 14 11:58:24 media Readarr[3825647]: at NzbDrone.Common.Http.HttpClient.Post[T](HttpRequest request) in ./Readarr.Common/Http/HttpClient.cs:line 377
Dec 14 11:58:24 media Readarr[3825647]: at NzbDrone.Core.MetadataSource.BookInfo.BookInfoProxy.MapSearchResult(List`1 ids) in ./Readarr.Core/MetadataSource/BookInfo/BookInfoProxy.cs:line 493
Dec 14 11:58:24 media Readarr[3825647]: at NzbDrone.Core.MetadataSource.BookInfo.BookInfoProxy.Search(String query, Boolean getAllEditions) in ./Readarr.Core/MetadataSource/BookInfo/BookInfoProxy.cs:line 296
Dec 14 11:58:24 media Readarr[3825647]: error code: 522

Trace Logs have been provided as applicable. Reports may be closed if the required logs are not provided.

• I have read and followed the steps in the wiki link above and provided the required trace logs - the logs contain trace - that are relevant and show this issue.