From e34c8c51383548b0f74f9e675fc5abed7bad6a69 Mon Sep 17 00:00:00 2001
From: Git'Fellow <12234510+solracsf@users.noreply.github.com>
Date: Sun, 3 Dec 2023 10:15:11 +0100
Subject: [PATCH] Don't check display name on null

Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>
---
 lib/Album/AlbumMapper.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Album/AlbumMapper.php b/lib/Album/AlbumMapper.php
index 943b1f373..53f8f58d2 100644
--- a/lib/Album/AlbumMapper.php
+++ b/lib/Album/AlbumMapper.php
@@ -353,10 +353,10 @@ public function getCollaborators(int $albumId): array {
 
 			switch ($row['collaborator_type']) {
 				case self::TYPE_USER:
-					$displayName = $this->userManager->get($row['collaborator_id'])->getDisplayName();
+					$displayName = $this->userManager->get($row['collaborator_id'])?->getDisplayName();
 					break;
 				case self::TYPE_GROUP:
-					$displayName = $this->groupManager->get($row['collaborator_id'])->getDisplayName();
+					$displayName = $this->groupManager->get($row['collaborator_id'])?->getDisplayName();
 					break;
 				case self::TYPE_LINK:
 					$displayName = $this->l->t('Public link');