Fatal error: Uncaught Error: Interface "OCP\Preview\IProviderV2" not found in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Preview/ProviderV2.php:16 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Preview/ProviderV2.php on line 16