From 1edc6d45086ccb29713d78022cf29b42c9bc7e44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20K=C3=B6rner?= <t.koerner@heimrich-hannot.de>
Date: Tue, 18 Jan 2022 10:14:03 +0100
Subject: [PATCH] fixed tl_calendar_events_plus::getParentEventChoices()
 exception if dc is null

---
 CHANGELOG.md               | 3 +++
 dca/tl_calendar_events.php | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 604ef20..d16c3d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [2.3.6] - 2022-01-18
+- Fixed: tl_calendar_events_plus::getParentEventChoices() exception if dc is null
+
 ## [2.3.5] - 2021-12-13
 - Fixed: tl_calendar_events_plus::getRooms() parameter type
 - Fixed: warning in tl_calendar_events_plus::getRooms()
diff --git a/dca/tl_calendar_events.php b/dca/tl_calendar_events.php
index 65e3669..d30fa0d 100644
--- a/dca/tl_calendar_events.php
+++ b/dca/tl_calendar_events.php
@@ -379,8 +379,11 @@ public function getMembers($arrOption, \DataContainer $dc)
     }
 
 
-    public function getParentEventChoices(\DataContainer $dc)
+    public function getParentEventChoices(\DataContainer $dc = null)
     {
+        if (null === $dc) {
+            return [];
+        }
         $choices = [];
 
         $query = "SELECT id, title FROM tl_calendar_events WHERE parentEvent=0 and id!=? ORDER BY title";