From 9ec650f36162822f3a3ff3a14cdc6e1a6d22ecbd Mon Sep 17 00:00:00 2001
From: justme-1968 <justme-1968@users.noreply.github.com>
Date: Sun, 19 Feb 2017 21:49:33 +0000
Subject: [PATCH] 33_readingsGroup.pm: fix initialization if fhemweb hast not
 been used. see:
 https://forum.fhem.de/index.php/topic,14425.msg589046.html#msg589046

git-svn-id: https://svn.fhem.de/fhem/trunk@13457 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/33_readingsGroup.pm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/33_readingsGroup.pm b/fhem/FHEM/33_readingsGroup.pm
index ea6187a43..d87329216 100644
--- a/fhem/FHEM/33_readingsGroup.pm
+++ b/fhem/FHEM/33_readingsGroup.pm
@@ -651,8 +651,11 @@ readingsGroup_2html($;$)
 {
   my($hash,$extPage) = @_;
   $hash = $defs{$hash} if( ref($hash) ne 'HASH' );
+
+  $FW_ME = "" if( !$FW_ME );
+  $FW_subdir = "" if( !$FW_subdir );
+
   return undef if( !$hash );
-  return undef if( !$FW_ME );
   return undef if( !$init_done );
 
   #if( $hash->{fhem}->{cached} && $hash->{fhem}->{lastDefChange} && $hash->{fhem}->{lastDefChange} == $lastDefChange ) {