From d1a7b626e6b6b87539643016a2227c632e64e62b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Bernd=20Ble=C3=9Fmann?= <bernd@kivitendo-premium.de>
Date: Mon, 26 Apr 2021 13:43:55 +0200
Subject: [PATCH] Zeiterfassung: Lieferschein new_from_time_recording:
 undef-Warnung vermeiden

---
 SL/DB/DeliveryOrder.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/SL/DB/DeliveryOrder.pm b/SL/DB/DeliveryOrder.pm
index 039310b20..1e0cb49b5 100644
--- a/SL/DB/DeliveryOrder.pm
+++ b/SL/DB/DeliveryOrder.pm
@@ -231,7 +231,8 @@ sub new_from_time_recordings {
                                                ? nhimult(0.25, ($source->duration_in_hours))
                                                : _round_total($source->duration_in_hours);
     # add content if not already in description
-    my $new_description = $source->description_as_stripped_html;
+    my $new_description = '' . $source->description_as_stripped_html;
+    $entries->{$part_id}->{$date}->{content} ||= '';
     $entries->{$part_id}->{$date}->{content}  .= '<li>' . $new_description . '</li>'
       unless $entries->{$part_id}->{$date}->{content} =~ m/\Q$new_description/;
 
-- 
2.20.1