Fix loading as guest

Signed-off-by: Julius Härtl <jus@bitgrid.net>

diff --git a/apps/dashboard/lib/Service/BackgroundService.php b/apps/dashboard/lib/Service/BackgroundService.php
index 1247690a4f98e4e9fc81a4f9ad0c4f7c56448423..2046513851f277f9caaa41b1d987daef6672a6f9 100644 (file)
--- a/apps/dashboard/lib/Service/BackgroundService.php
+++ b/apps/dashboard/lib/Service/BackgroundService.php
@@ -65,6 +65,9 @@ class BackgroundService {
        ];
 
        public function __construct(IRootFolder $rootFolder, IAppData $appData, $userId) {
+               if ($userId === null) {
+                       return;
+               }
                $this->userFolder = $rootFolder->getUserFolder($userId);
                try {
                        $this->dashboardUserFolder = $appData->getFolder($userId);