From 302f7b1b0f3e46049324f4e3890eb37a193c917b Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 22 Feb 2018 10:56:56 +0100
Subject: [locations] Fix location list: Filter invalid location ids

---
 modules-available/locations/page.inc.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules-available/locations/page.inc.php b/modules-available/locations/page.inc.php
index ed541876..c4328b1b 100644
--- a/modules-available/locations/page.inc.php
+++ b/modules-available/locations/page.inc.php
@@ -341,6 +341,8 @@ class Page_Locations extends Page
 		// we have permission to, so the tree doesn't look all weird
 		$visibleLocationIds = $allowedLocationIds = User::getAllowedLocations("location.view");
 		foreach ($allowedLocationIds as $lid) {
+			if (!isset($locationList[$lid]))
+				continue;
 			$visibleLocationIds = array_merge($visibleLocationIds, $locationList[$lid]['parents']);
 		}
 		$visibleLocationIds = array_unique($visibleLocationIds);
-- 
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