Update NCP from NC 22.2.3 to NC 23.0 stops at step "create backup"

To those it may concern…
I had this issue when updating my NCP to NC 23.0. Updater stuck at “creating backup”.
This solved the problem (found it and tested it):

sudo chown -R www-data:www-data /var/www/nextcloud/

Merry Christmas

NC 23 is not yet supported on NCP. But if you like to help get there, join the issue on GitHub: