Fails to build aur package

Describe the bug

Running endeavourOS and trying to install touche from the aur and it fails to build with this message

KeyError: 'c'

subprojects/libtouche/meson.build:37:6: ERROR: Unhandled python exception

    This is a Meson bug and should be reported!
==> ERROR: A failure occurred in build().
    Aborting...

I can post the whole terminal output if needed. It is long and I chose to pick the error that it aborted on

Expected behaviour

The app to install Tell us what should happen. The app should install without failing

Actual behaviour

Aur package fails to install Tell us what happens instead.

Logs

If required, include logs of the bug:

$ flatpak run com.github.joseexposito.touche
# or
$ com.github.joseexposito.touche

Attach Touchégg configuration, placed at ~/.config/touchegg/touchegg.conf, if you consider it relevant. The touchegg folder doesn't exist in the path above, even though I did install and enable touchegg

Your environment

Touché version: 2.0.9-1
Touchégg version: 2.0.17-1
Operating System: Endeavour OS
Desktop Environment: KDE
Installation method: AUR Package through terminal, bauh and octopi - all failed with the same error
Are you using Wayland? No

JoseExposito / touche