• KOReader version:
• Device:

Issue

Steps to reproduce

crash.log (if applicable)

crash.log is a file that is automatically created when KOReader crashes. It can
normally be found in the KOReader directory:

• koreader/ directory for Kindle
• .adds/koreader/ directory for Kobo
• applications/koreader/ directory for Pocketbook

Please try to include the relevant sections in your issue description.
You can upload the whole crash.log file on GitHub by dragging and
dropping it onto this textbox, or you can use one of these paste services.
Please don't forget to set a high expiration date if you do.
https://pastebin.com https://slexy.org https://paste2.org https://fpaste.org
http://ix.io https://paste.kde.org https://paste.debian.net.
launching...

| |/ / _ | _ \ ___ __ _ | | ___ _ __
| ' / | | | |_) / _ / _ |/ _ |/ _ \ '|
| . \ || | _ < __/ (| | (| | __/ |
||__/|_| __|_,|_,|___|_|

It's a scroll... It's a codex... It's KOReader!

[] Current time: 07/18/19-14:37:14
[] Version: v2019.07

ffi.load: SDL2
ffi.load (warning): libSDL2.so: cannot open shared object file: No such file or directory
ffi.load: libSDL2-2.0.so
ffi.load (warning): libSDL2-2.0.so: cannot open shared object file: No such file or directory
SDL2 not loaded: ./setupkoenv.lua:27: Not able to load dynamic library: libSDL2-2.0.so
ffi.load: SDL
ffi.load (warning): libSDL.so: cannot open shared object file: No such file or directory
SDL not loaded: ./setupkoenv.lua:27: Not able to load dynamic library: SDL
./luajit: frontend/device.lua:45: Could not find hardware abstraction for this platform. If you are trying to run the emulator, please ensure SDL is installed.
stack traceback:
[C]: in function 'error'
frontend/device.lua:45: in function 'probeDevice'
frontend/device.lua:48: in main chunk
[C]: in function 'require'
./reader.lua:55: in main chunk
[C]: at 0x00404f60