57_CalDav.pm: catch error condition

git-svn-id: https://svn.fhem.de/fhem/trunk@18734 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2019-02-25 13:38:19 +00:00
parent 98db022e8f
commit d7e9d2b18a
1 changed files with 3 additions and 1 deletions
--- a/fhem/FHEM/57_CalDav.pm
+++ b/fhem/FHEM/57_CalDav.pm
@@ -46,7 +46,9 @@ sub CalDav_Process($$$) {
  my $name    = $hash->{NAME};
  my $url     = $hash->{URL};
  my $options = $hash->{OPTIONS};
-    
+  
+  return "Maybe this is the wrong way to use your calendar. Try 57_Calendar.pm instead." unless $data;
+
  my $d = XML::LibXML->load_xml(string => $data);

  foreach my $r ($d->findnodes('/d:multistatus/d:response/d:href')) {