GitKraken does not start anymore on Ubuntu 18.04

SOLVED: Had to install libgnome-keyring: sudo apt install libgnome-keyring0

The UI now comes up and works for me. Still get the following warnings, but it's working:

Gtk-Message: 11:19:31.343: Failed to load module "overlay-scrollbar"
Gtk-Message: 11:19:31.349: Failed to load module "canberra-gtk-module"
Node started time: 1528391971495
state:  update-not-available
EVENT: Main process loaded at 441 ms
state:  checking-for-update
state:  update-not-available
state:  checking-for-update
state:  update-not-available
EVENT: Starting initial render of foreground window at 5331 ms
EVENT: Startup triggers started at 5446 ms