From 580eb02ebd24833c1e462a57cbe7812e1b4155a5 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Sat, 15 May 2021 15:51:42 +0000
Subject: [PATCH] 10_MQTT2_DEVICE.pm: avoid harmless error message after rename
 (Forum #121086)

git-svn-id: https://svn.fhem.de/fhem/trunk@24447 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/10_MQTT2_DEVICE.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/10_MQTT2_DEVICE.pm b/fhem/FHEM/10_MQTT2_DEVICE.pm
index 0f6ac92a2..05960db83 100644
--- a/fhem/FHEM/10_MQTT2_DEVICE.pm
+++ b/fhem/FHEM/10_MQTT2_DEVICE.pm
@@ -578,7 +578,7 @@ sub
 MQTT2_DEVICE_delReading($)
 {
   my ($name) = @_;
-  my $cid = $defs{$name}{CID};
+  my $cid = $defs{$name} ? $defs{$name}{CID} : undef;
   $cid = "" if(!defined($cid));
   for my $key1 (sort keys %{$modules{MQTT2_DEVICE}{defptr}}) {
     next if($key1 !~ m/^re/);