Warning: include(/home/www/_subs.app-archives.com/cloud.app-archives.com/config/config.php): failed to open stream: No such file or directory in /home/www/_subs.app-archives.com/cloud.app-archives.com/updater/src/Utils/Locator.php on line 232

Warning: include(): Failed opening '/home/www/_subs.app-archives.com/cloud.app-archives.com/config/config.php' for inclusion (include_path='.:/usr/share/php') in /home/www/_subs.app-archives.com/cloud.app-archives.com/updater/src/Utils/Locator.php on line 232
updater.secret is undefined in config/config.php. Either browse the admin settings in your ownCloud and click "Open updater" or define a strong secret using

php -r 'echo password_hash("MyStrongSecretDoUseYourOwn!", PASSWORD_DEFAULT)."\n";'

and set this in the config.php.