Fatal error: Uncaught Error: Class "OCP\AppFramework\Middleware" not found in /var/www/html/nextcloud/apps/files_sharing/lib/Middleware/SharingCheckMiddleware.php:30
Stack trace:
#0 {main}
thrown in /var/www/html/nextcloud/apps/files_sharing/lib/Middleware/SharingCheckMiddleware.php on line 30