Since 14th September 2018.
sudo apt install libutempter0 on Ubuntu 18.4 solved the issue for me.
But you can fix this without installing libutempter by manipulating the guake_app.py file.
You will find out the necessary details if you are looking for Guarke fix #1198 in the Intenet.
rsync -a A/ B/
TRACY is a bug tracking system based on Flyspray. This software is not only good to report bugs for the debugging teams, it is also suitable for other work processes.