Device
Kobo
KOReader version
2025.10-140-g9e6b15878_2026-02-17
Model and firmware version
Kobo Clara Color
Issue description
Returning to the file manager from inside a book crashes
Steps to reproduce
- Open Book
- exit book
Log
02/18/26-08:15:00 INFO Inhibiting user input
02/18/26-08:15:01 INFO Restoring user input handling
./luajit: frontend/apps/reader/modules/readerpagemap.lua:179: attempt to index local 'label' (a nil value)
stack traceback:
frontend/apps/reader/modules/readerpagemap.lua:179: in function 'cleanPageLabel'
frontend/apps/reader/modules/readerpagemap.lua:356: in function 'getLastPageLabel'
frontend/apps/reader/modules/readerpagemap.lua:390: in function 'handleEvent'
frontend/ui/widget/container/widgetcontainer.lua:83: in function 'propagateEvent'
frontend/ui/widget/container/widgetcontainer.lua:101: in function 'handleEvent'
frontend/apps/reader/readerui.lua:832: in function 'onClose'
frontend/apps/reader/modules/readermenu.lua:50: in function 'callback'
frontend/ui/widget/touchmenu.lua:765: in function 'switchMenuTab'
frontend/ui/widget/touchmenu.lua:402: in function 'callback'
frontend/ui/widget/iconbutton.lua:137: in function 'handleEvent'
frontend/ui/widget/container/inputcontainer.lua:269: in function 'handleEvent'
...
frontend/ui/widget/container/widgetcontainer.lua:101: in function 'handleEvent'
frontend/ui/widget/container/widgetcontainer.lua:83: in function 'propagateEvent'
frontend/ui/widget/container/widgetcontainer.lua:101: in function 'handleEvent'
frontend/ui/uimanager.lua:910: in function 'sendEvent'
frontend/ui/uimanager.lua:53: in function '__default__'
frontend/ui/uimanager.lua:1437: in function 'handleInputEvent'
frontend/ui/uimanager.lua:1537: in function 'handleInput'
frontend/ui/uimanager.lua:1581: in function 'run'
./reader.lua:295: in main chunk
[C]: at 0x00013ea1
!!!!
Uh oh, something went awry... (Crash n°1: 02/18/26 @ 08:15:03)
Running FW 4.44.23552 on Linux 4.9.77 (#1 SMP PREEMPT d226bc7bf-20250103T160218-B0103160930)
Attempting to restart KOReader . . .
!!!!
Additional information
I've disabled all patches, all plugins (including core plugins), restarted, still crashes. Doesn't seem to be universal for all books, but I can reproduce consistently.
Device
Kobo
KOReader version
2025.10-140-g9e6b15878_2026-02-17
Model and firmware version
Kobo Clara Color
Issue description
Returning to the file manager from inside a book crashes
Steps to reproduce
Log
Additional information
I've disabled all patches, all plugins (including core plugins), restarted, still crashes. Doesn't seem to be universal for all books, but I can reproduce consistently.