Getting an error when trying to install Gnome extension for System76 power

Here’s the extension GitHub - pop-os/gnome-shell-extension-system76-power: System76 Power Management Extension

I’m using this version someone made for Gnome 45. LFdev / gnome-shell-extension-system76-power · GitLab

I cant turn the extension on and im getting this error. how to fix? https://i.imgur.com/nUnIIv8.png