Originally Posted by angriest
Hmm, I tried running the recipe on my laptop with all the same articles - fine.
I reverted to a system backup of my RPi and ran the recipe with the same articles - fine.
Possibly something funny with dependencies and the newer RPi firmware, but I'll just stick with what works for me.
Thanks for your help,
I've had some bugs manifest when running Calibre on the Pi. It does seem a bit unstable as of current.