After install 4.06 app fails to start. On console message:
nextcloud.sync.configfile: Default update channel is “stable”
nextcloud.gui.application: Already running, exiting..
(base) :-([Mi Feb 04 10:44:41 Applications]$ Nextcloud-4.0.6-x86_64.AppImage -v
Nextcloud version 4.0.6 (build 36659)
Git revision 847472c1e712da60c441d35de5a1070edebe9251
Using Qt 6.9.3, built against Qt 6.9.3
Using Qt platform plugin ‘xcb’
Using ‘OpenSSL 3.5.4 30 Sep 2025’
Running on Ubuntu 24.04.3 LTS, x86_64
logfile seems to be not updated and belongs to last call of old version