Extension 'gnome' does not support base: 'core24'

snapcraft
1 
% snapcraft --verbosity=trace --debug --use-lxd
2025-02-27 12:33:44.336 Starting Snapcraft 7.5.8
[...]
2025-02-27 12:33:44.443 Extension 'gnome' does not support base: 'core24'
2

Use Snapcraft 8.

snap refresh --channel 8.x/stable snapcraft