From: Alexander Ebert <ebert@woltlab.com>
Date: Sat, 9 Jul 2016 20:35:37 +0000 (+0200)
Subject: Guard against broken cache
X-Git-Tag: 3.0.0_Beta_1~1231^2~3
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d073d7691178a875ec081e2d91eb349b91dc8d30;p=GitHub%2FWoltLab%2FWCF.git

Guard against broken cache
---

diff --git a/wcfsetup/install/files/lib/system/breadcrumb/Breadcrumbs.class.php b/wcfsetup/install/files/lib/system/breadcrumb/Breadcrumbs.class.php
index 6169e515a1..fecbd71a28 100644
--- a/wcfsetup/install/files/lib/system/breadcrumb/Breadcrumbs.class.php
+++ b/wcfsetup/install/files/lib/system/breadcrumb/Breadcrumbs.class.php
@@ -95,7 +95,7 @@ class Breadcrumbs extends SingletonFactory implements \Countable, \Iterator {
 			
 			if ($location['pageID']) {
 				$page = PageCache::getInstance()->getPage($location['pageID']);
-				while ($page->parentPageID) {
+				while ($page !== null && $page->parentPageID) {
 					$page = PageCache::getInstance()->getPage($page->parentPageID);
 					
 					array_unshift($locations, [