Riseup VPN unable to connect

installed with snap sudo snap install --classic riseup-vpn

/snap/bin/riseup-vpn.launcher

says connected then connecting again after a bit. doesnt work when connected

in the logs are

Fri May 13 23:53:58 2022 MANAGEMENT: Client disconnected
Fri May 13 23:53:58 2022 ERROR: Cannot ioctl TUNSETIFF tun: Operation not permitted (errno=1)
Fri May 13 23:53:58 2022 Exiting due to fatal error

2022/05/13 23:53:58 An error ocurred running openvpn: exit status 1

using Debian GNU/Linux 11 (bullseye)