From 16e048e66515b92da2d4acdd069a792f27304a67 Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Wed, 2 Nov 2016 19:57:59 +0100
Subject: [PATCH] fix broken recurrence end-dates stalling updates

---
 calendar/setup/tables_update.inc.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/calendar/setup/tables_update.inc.php b/calendar/setup/tables_update.inc.php
index d445668599..f0b0971b4b 100644
--- a/calendar/setup/tables_update.inc.php
+++ b/calendar/setup/tables_update.inc.php
@@ -2352,7 +2352,13 @@ WHERE range_end IS NOT NULL", __LINE__, __FILE__, 0, -1, false, Api\Db::FETCH_AS
 	{
 		$event = Api\Db::strip_array_keys($event, 'cal_');
 		$event['recur_enddate'] = $event['range_end'];
-		$rrule = calendar_rrule::event2rrule($event, false);
+		try {
+			$rrule = calendar_rrule::event2rrule($event, false);
+		}
+		catch (\Exception $e) {
+			_egw_log_exception($e);
+			continue;
+		}
 		$rrule->rewind();
 		$enddate = $rrule->current();
 		do