Importing EPUB only outputs EPUB file without chapters

[e6h5]

Steps to reproduce

1. Download chapters.
2. Make epub.
3. Open epub with external application.
   • comes out as empty epub, inspecting the file, you will see no chapters in toc

Expected behavior

There should be chapters when opening the file with external application.

Actual behavior

External application only shows an empty screen.

LNReader version

1.1.19

Android version

Android 11

Device

Realme 5 pro

Other details

No response

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• [X] I have written a short but informative title.
• [X] If this is an issue with a source, I should be opening an issue in the sources repository.
• [X] I have updated the app to version 2.0.0.
• [X] I will fill out all of the requested information in this form.

[Palloxin]

Provide source and novel

[e6h5]

Provide source and novel

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