owncloud upgrade install log

/var/www/owncloud/apps/contacts/lib/carddav$ sudo yunohost app upgrade
Downloading...
Extracting...
Done.
Executing script...
++ sudo yunohost app setting owncloud domain
+ domain=bjorn.noho.st
++ sudo yunohost app setting owncloud path
+ path=/owncloud/
++ sudo yunohost app setting owncloud mysqlpwd
+ db_pwd=zkWYoZLCYA098ss3ABfWHq0u
+ path=/owncloud
+ db_user=owncloud
+ final_path=/var/www/owncloud
+ data_path=/home/yunohost.app/owncloud/data
+ sudo mkdir -p /var/www/owncloud
+ sudo mkdir -p /home/yunohost.app/owncloud/data
+ sudo cp -a ../sources/3rdparty ../sources/apps ../sources/AUTHORS ../sources/autotest.cmd ../sources/autotest-js.sh ../sources/autotest.sh ../sources/build ../sources/config ../sources/console.php ../sources/CONTRIBUTING.md ../sources/COPYING-AGPL ../sources/COPYING-README ../sources/core ../sources/cron.php ../sources/db_structure.xml ../sources/index.html ../sources/index.php ../sources/indie.json ../sources/issue_template.md ../sources/l10n ../sources/lib ../sources/occ ../sources/ocs ../sources/public.php ../sources/README.md ../sources/remote.php ../sources/robots.txt ../sources/search ../sources/settings ../sources/status.php ../sources/tests ../sources/themes ../sources/version.php /var/www/owncloud
+ sudo cp ../conf/nginx.conf /etc/nginx/conf.d/bjorn.noho.st.d/owncloud.conf
+ sudo cp ../conf/php-fpm.conf /etc/php5/fpm/pool.d/owncloud.conf
+ sudo cp ../conf/mount.json /home/yunohost.app/owncloud/data
+ sudo chown -hR owncloud:www-data /var/www/owncloud
+ sudo chown -hR owncloud:www-data /home/yunohost.app/owncloud/data
+ sudo chmod 755 /home/yunohost.app
+ sudo chmod 664 -R /var/www/owncloud
+ sudo find /var/www/owncloud -type d -print0
+ xargs -0 sudo chmod 775
+ sudo chmod -R 770 /home/yunohost.app/owncloud/data
+ sudo sed -i s@PATHTOCHANGE@/owncloud@g /etc/nginx/conf.d/bjorn.noho.st.d/owncloud.conf
+ sudo sed -i s@ALIASTOCHANGE@/var/www/owncloud/@g /etc/nginx/conf.d/bjorn.noho.st.d/owncloud.conf
+ sudo sed -i s@NAMETOCHANGE@owncloud@g /etc/nginx/conf.d/bjorn.noho.st.d/owncloud.conf
+ sudo sed -i s@NAMETOCHANGE@owncloud@g /etc/php5/fpm/pool.d/owncloud.conf
+ sudo service php5-fpm restart
Restarting PHP5 FastCGI Process Manager: php5-fpm.
+ sudo service nginx reload
Reloading nginx configuration: nginx.
+ sudo yunohost app setting owncloud unprotected_uris -v /
+ sudo yunohost app setting owncloud skipped_uris -d
+ sudo yunohost app ssowatconf
Success! SSOwat configuration successfully generated
+ mysql -u owncloud -pzkWYoZLCYA098ss3ABfWHq0u owncloud
+ sudo chown -hR owncloud:owncloud /var/www/owncloud
+ sudo chown -hR owncloud:owncloud /home/yunohost.app/owncloud/data
+ sudo chmod 755 /home/yunohost.app
+ sudo chmod -R 770 /home/yunohost.app/owncloud/data
+ sudo chmod -R 775 /var/www/owncloud
+ sudo yunohost app ssowatconf
Success! SSOwat configuration successfully generated
Success! owncloud successfully upgraded
Extracting...
sh: line 0: cd: /var/www/owncloud/apps/contacts/lib/carddav/post_user_create: No such file or directory
Error: Unable to extract installation files