[epub] 400 Error - Could not find the appropriate html for that page

[YodaDaCoda]

What happened?

I started reading a new epub and encountered the following error after about 3 pages.

What did you expect?

Expected the next page in the epub to open

Kavita Version Number - Don't see your version number listed? Then your install is out of date. Please update and see if your issue still persists.

0.7.14 - Stable

What operating system is Kavita being hosted from?

Docker (LSIO Container)

If the issue is being seen on Desktop, what OS are you running where you see the issue?

None

If the issue is being seen in the UI, what browsers are you seeing the problem on?

No response

If the issue is being seen on Mobile, what OS are you running where you see the issue?

None

If the issue is being seen on the UI, what browsers are you seeing the problem on?

No response

Relevant log output

kavita            | [Kavita] [2024-03-04 13:06:01.116 +11:00  6] [Error] API.Services.BookService There was an issue reading one of the pages for /app/kavita/config/cache/213/Christelle Dabos - A Winter's Promise.epub
kavita            | System.NullReferenceException: Object reference not set to an instance of an object.
kavita            |    at API.Services.BookService.InlineStyles(HtmlDocument doc, EpubBookRef book, String apiBase, HtmlNode body) in C:\Users\Will\github\Kavita\API\Services\BookService.cs:line 390
kavita            |    at API.Services.BookService.ScopePage(HtmlDocument doc, EpubBookRef book, String apiBase, HtmlNode body, Dictionary`2 mappings, Int32 page) in C:\Users\Will\github\Kavita\API\Services\BookService.cs:line 922
kavita            |    at API.Services.BookService.GetBookPage(Int32 page, Int32 chapterId, String cachedEpubPath, String baseUrl) in C:\Users\Will\github\Kavita\API\Services\BookService.cs:line 1162
kavita            | [Kavita] [2024-03-04 13:06:01.118 +11:00  6] [Information] Serilog.AspNetCore.RequestLoggingMiddleware HTTP GET /api/book/213/book-page?page=3 responded 400 in 4.6759 ms

Additional Notes

I've debugged the error & will raise a PR soon