Fatal error: Uncaught Error: Class 'OCP\App' not found in /home/maciej/public_html/maciej/public html/tmp-owncloud1488559416/owncloud/apps/files/appinfo/app.php:28 Stack trace: #0 {main} thrown in /home/maciej/public_html/maciej/public html/tmp-owncloud1488559416/owncloud/apps/files/appinfo/app.php on line 28