Fatal error: Uncaught Error: Class 'OCP\AppFramework\Http\EmptyContentSecurityPolicy' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/lib/public/AppFramework/Http/ContentSecurityPolicy.php:39 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/lib/public/AppFramework/Http/ContentSecurityPolicy.php on line 39