When I'm trying to run VPN (freshly installed) I get following error:
$ sudo riseup-vpn
2020/11/20 11:26:50 firewall stop
(riseup-vpn:4206): Gtk-WARNING **: 11:26:50.194: Theme parsing error: gtk.css:6329:10: 'height' is not a valid property name
(riseup-vpn:4206): libappindicator-WARNING **: 11:26:50.222: Unable to get the session bus: Error spawning command line “dbus-launch --autolaunch=45e620286db84aed86ce346b23c74f6d --binary-syntax --close-stderr”: Child process exited with code 1
(riseup-vpn:4206): LIBDBUSMENU-GLIB-WARNING **: 11:26:50.222: Unable to get session bus: Error spawning command line “dbus-launch --autolaunch=45e620286db84aed86ce346b23c74f6d --binary-syntax --close-stderr”: Child process exited with code 1
2020/11/20 11:26:50 openvpn stop
2020/11/20 11:26:50 listen tcp 127.0.0.1:6061: bind: address already in use
Can you try using riseup-vpn without sudo? The DBUS error might be about inter-process communication problems between the normal user environment and the sudo command.
If it does not work, then check this comment on the project repository please: https://0xacab.org/leap/bitmask-vpn/-/issues/266