Bookmark not Working on .mobi File

Describe the bug When I click on the "Add Bookmark" button in the top left corner, nothing happens.

I get the following error messages:

JS ERROR: Error: Invalid value 'undefined' for property label in object initializer.
                                         @resource:///com/github/johnfactotum/Foliate/utils.js:236:8
                                         add@resource:///com/github/johnfactotum/Foliate/annotations.js:92:21
                                         toggle@resource:///com/github/johnfactotum/Foliate/annotations.js:177:20
                                         bookmark@resource:///com/github/johnfactotum/Foliate/book-viewer.js:983:29
                                         addMethods/</<@resource:///com/github/johnfactotum/Foliate/utils.js:281:58
                                         _init/GLib.MainLoop.prototype.runAsync/</<@resource:///org/gnome/gjs/modules/core/overrides/GLib.js:266:34

Before the are some warnings:

Theme parser error: gtk.css:5389:3-9: No property named "filder"
Theme parser error: gtk.css:6586:16-17: Expected a number
Theme parser error: gtk.css:6770:22-27: Junk at end of value for outline-width

To Reproduce Steps to reproduce the behavior:

Open a '*.mobi' ebook
Click on 'Add Bookmark'
Checkout 'journalctl -fe'
See error as described above

Expected behavior The page is added to the bookmarks tab in the sidebar

Screenshots grafik

Version:

Foliate version: 3.1.1-1
OS/Distribution and version: Arch Linux, 6.9.7-arch1-1, x86_64 GNU/Linux
Desktop environment: gnome-shell 1:46.3.1-1
Installation method: Arch Linux Repository: https://archlinux.org/packages/extra/any/foliate/

Additional context This problem does not occur when I open a *.epub file

johnfactotum / foliate

Bookmark not Working on .mobi File #1347