From c7057f694baf6c374cdd4ccdf5e44869c87b4b26 Mon Sep 17 00:00:00 2001
From: justme-1968 <justme-1968@users.noreply.github.com>
Date: Fri, 27 May 2016 08:20:11 +0000
Subject: [PATCH] 98_logProxy.pm: guard against missing plot values

git-svn-id: https://svn.fhem.de/fhem/trunk@11529 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/98_logProxy.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/98_logProxy.pm b/fhem/FHEM/98_logProxy.pm
index 93714257a..5e11cefa5 100644
--- a/fhem/FHEM/98_logProxy.pm
+++ b/fhem/FHEM/98_logProxy.pm
@@ -938,7 +938,7 @@ logProxy_Get($@)
         ($internal_data,$main::data{"min1"},$main::data{"max1"},$main::data{"currval1"}) = logProxy_array2Data($data,$comment);
       }
 
-      if( $$internal_data ) {
+      if( ref($internal_data) eq "SCALAR" && $$internal_data ) {
         $ret .= $$internal_data;
 
         $data{"min$j"} = $main::data{"min1"};