Fatal error: Uncaught Error: Interface "OCA\Recommendations\Service\IRecommendationSource" not found in /home/tzuovhm/tzuovhm/apps_/recommendations/lib/Service/RecentlySharedFilesSource.php:27 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/recommendations/lib/Service/RecentlySharedFilesSource.php on line 27