From 00570ff2838d5f76605399382d034322db92cc40 Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Thu, 14 Apr 2016 13:29:55 +0200
Subject:  * removing calendar preference only if such exists

---
 app/php/facades/CalendarFacade.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/php/facades/CalendarFacade.php b/app/php/facades/CalendarFacade.php
index cee345b..4b00a03 100644
--- a/app/php/facades/CalendarFacade.php
+++ b/app/php/facades/CalendarFacade.php
@@ -44,7 +44,9 @@ class CalendarFacade extends Facade {
                 $user->DbRecord->ID,
                 $calendarID
             );
-            $preferenceRecord->delete();
+            if ($preferenceRecord) {
+                $preferenceRecord->delete();
+            }
         }
     }
 
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