Display problem for epub file

edited 3 days ago
I am trying to open an EPUB file in Zotero.

When I open it in Calibre, I get the cover image.
But when I open it in Zotero, it creates a (very long) "Table of Contents" which is not visible in Calibre:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/hhxsg41oxxnwroxfso09.png
Followed by a "Missing content" notice:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/3qvh9xr7u1fl21cxy54k.png

I also get errors in the debug output:
[JavaScript Error: "Error in parsing MathML attribute value ‘normal’ as length. Attribute ignored." {file: "resource://zotero/reader/reader.js" line: 32237}]
Is it possible to fix the problem?

Debug ID D1513972055
Zotero 9.0-beta.3+f21e1b2d3 (64-bit)
Windows 11

[The file has been sent to support@zotero.org with a link to this post.]
  • AbeJellinek Zotero Team
    We'll try to fix this, but no promises. (Apple Books can't handle this one either - it's pretty messy.)
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