Fatal error: Uncaught Error: Interface "OCP\SetupCheck\ISetupCheck" not found in /var/www/html/nextcloud/apps/settings/lib/SetupChecks/PhpOutputBuffering.php:15 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/settings/lib/SetupChecks/PhpOutputBuffering.php on line 15