I seem to see the same with ASCII spaces (0x20) in the SSID. However I can create the connection using nmcli, and then selected it from the GUI.
root@ideapc:~# pre network-m network-manager 1.30.0-2 amd64 network-manager-gnome 1.20.0-3 amd64 root@ideapc:~# cat /etc/debian_version 11.2 root@ideapc:~# lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 11 (bullseye) Release: 11 Codename: bullseye root@ideapc:~# -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/