I too ran into the recent issue where the Docker update outpaced the Nextcloud installation. However, I'm having a very difficult time upgrading from version 13 to version 14. I keep running into this error:
Remove potentially over exposing share links
Done
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An unhandled exception has been thrown:
Error: Call to a member function getUsers() on null in /config/www/nextcloud/lib/private/Repair/RemoveLinkShares.php:218
Stack trace:
#0 /config/www/nextcloud/lib/private/Repair/RemoveLinkShares.php(230): OC\Repair\RemoveLinkShares->repair(Object(OC\Repair))
#1 /config/www/nextcloud/lib/private/Repair.php(91): OC\Repair\RemoveLinkShares->run(Object(OC\Repair))
#2 /config/www/nextcloud/lib/private/Updater.php(265): OC\Repair->run()
#3 /config/www/nextcloud/lib/private/Updater.php(121): OC\Updater->doUpgrade('14.0.12.0', '13.0.0.14')
#4 /config/www/nextcloud/core/Command/Upgrade.php(258): OC\Updater->upgrade()
#5 /config/www/nextcloud/3rdparty/symfony/console/Command/Command.php(251): OC\Core\Command\Upgrade->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#6 /config/www/nextcloud/3rdparty/symfony/console/Application.php(946): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 /config/www/nextcloud/3rdparty/symfony/console/Application.php(248): Symfony\Component\Console\Application->doRunCommand(Object(OC\Core\Command\Upgrade), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 /config/www/nextcloud/3rdparty/symfony/console/Application.php(148): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#9 /config/www/nextcloud/lib/private/Console/Application.php(213): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#10 /config/www/nextcloud/console.php(96): OC\Console\Application->run()
#11 /config/www/nextcloud/occ(11): require_once('/config/www/nex...')
Can anyone please help?