From 95856cdc4ce443a3e6580a9824468d04708d5eb4 Mon Sep 17 00:00:00 2001
From: Peter Rotich <peter@enhancesoft.com>
Date: Wed, 22 Aug 2018 05:22:44 +0000
Subject: [PATCH] DateTimeFilter: Support empty value

---
 include/class.queue.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/class.queue.php b/include/class.queue.php
index 24b9d33e0..b4343d43e 100644
--- a/include/class.queue.php
+++ b/include/class.queue.php
@@ -2826,7 +2826,8 @@ extends QueueColumnFilter {
     static $desc = /* @trans */ "Date and Time";
 
     function filter($text, $row) {
-        return $text->changeTo(Format::datetime($text->value));
+        return $text ?
+            $text->changeTo(Format::datetime($text->value)) : '';
     }
 }
 
-- 
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