Same here with Kubuntu 24.04. This is actually a bug of the system tray applet, one can connect via creating a WiFi-connection over the settings 'Network -> Connections'. See also here:
https://forum.manjaro.org/t/solved-workaround-cant-use-wpa3-sae- networks/110927 ** Tags added: noble -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1964100 Title: Cannot connect to open WLAN with 1.36.0-1ubuntu2 on Jammy Status in network-manager package in Ubuntu: Confirmed Bug description: I'm trying to connect to an open (i.e. no ecryption) WLAN with network-manager 1.36.0-1ubuntu2 on 22.04 but it's failing with the following error message (after selecting the network from the network- manager applet prompt): Mär 08 10:50:04 Isaac-Laptop NetworkManager[31754]: <info> [1646733004.4425] audit: op="connection-add-activate" pid=12122 uid=1000 result="fail" reason="802-11-wireless-security.key-mgmt: Access point does not support PSK but setting requires it" I haven't changed any of the default settings for network-manager and this network worked on 20.04. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1964100/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
