Fatal error: Uncaught Error: Interface "OCP\User\IAvailabilityCoordinator" not found in /home/tzuovhm/tzuovhm/lib/private/User/AvailabilityCoordinator.php:24 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/lib/private/User/AvailabilityCoordinator.php on line 24