From acd0f96696dc5c7d581902186f913fb3dff5302d Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 3 Dec 2018 11:55:51 +0100
Subject: [locationinfo] HiS: Check if event has any planned dates

---
 .../locationinfo/inc/coursebackend/coursebackend_hisinone.inc.php       | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules-available/locationinfo/inc/coursebackend/coursebackend_hisinone.inc.php b/modules-available/locationinfo/inc/coursebackend/coursebackend_hisinone.inc.php
index 3b26e625..22b1d8fb 100644
--- a/modules-available/locationinfo/inc/coursebackend/coursebackend_hisinone.inc.php
+++ b/modules-available/locationinfo/inc/coursebackend/coursebackend_hisinone.inc.php
@@ -291,6 +291,8 @@ class CourseBackend_HisInOne extends CourseBackend
 				continue;
 			}
 			foreach ($planElements as $planElement) {
+				if (empty($planElement['hisplannedDates']))
+					continue;
 				$unitPlannedDates = $this->getArrayPath($planElement,
 					'/hisplannedDates/hisplannedDate/hisindividualDates/hisindividualDate');
 				if ($unitPlannedDates === false) {
-- 
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