Key sequence doesn't work in swhkd but does in sxhkd

[DominikMendel]

Version Information:

• Distribution Information ( run uname -a )
• swhkd version ( swhkd -V )
  Ubuntu 22.04.01
  Simple-Wayland-HotKey-Daemon 1.3.0-dev

Describe the bug:
A clear and concise description of what the bug is.
The sequence super + {_, alt +} {_, ctrl +} + a or similar sequences like this cause a run time error.

Expected behavior:
A clear and concise description of what you expected to happen.
I expect the sXhkd sequence to work.
Actual behavior:
A clear and concise description of the behavior.
Or doesn't work. Run time crash on startup.
To Reproduce:
Steps to reproduce the behavior.

Additional information:
Anything else you'd like us to know ?