diff --git a/controls_AutoShuttersControl.txt b/controls_AutoShuttersControl.txt
index 0f616ee..865f48a 100644
--- a/controls_AutoShuttersControl.txt
+++ b/controls_AutoShuttersControl.txt
@@ -1,10 +1,10 @@
-UPD 2021-04-29_12:20:23 97974 FHEM/73_AutoShuttersControl.pm
-UPD 2021-04-21_13:16:51 74314 lib/FHEM/Automation/ShuttersControl.pm
+UPD 2021-04-29_12:22:26 97974 FHEM/73_AutoShuttersControl.pm
+UPD 2021-05-10_08:20:42 74350 lib/FHEM/Automation/ShuttersControl.pm
 UPD 2020-06-22_09:41:40 2657 lib/FHEM/Automation/ShuttersControl/Dev.pm
 UPD 2020-07-26_17:36:29 2496 lib/FHEM/Automation/ShuttersControl/Roommate.pm
 UPD 2021-02-26_14:36:10 31487 lib/FHEM/Automation/ShuttersControl/Shutters.pm
-UPD 2021-04-29_11:34:37 25329 lib/FHEM/Automation/ShuttersControl/Shading.pm
-UPD 2021-04-29_12:18:42 110757 lib/FHEM/Automation/ShuttersControl/EventProcessingFunctions.pm
+UPD 2021-04-29_12:22:26 25329 lib/FHEM/Automation/ShuttersControl/Shading.pm
+UPD 2021-04-29_12:22:26 110757 lib/FHEM/Automation/ShuttersControl/EventProcessingFunctions.pm
 UPD 2021-02-26_14:36:10 40628 lib/FHEM/Automation/ShuttersControl/Helper.pm
 UPD 2020-06-22_09:41:40 2175 lib/FHEM/Automation/ShuttersControl/Window.pm
 UPD 2021-04-27_07:52:31 11742 lib/FHEM/Automation/ShuttersControl/Dev/Attr.pm
diff --git a/lib/FHEM/Automation/ShuttersControl.pm b/lib/FHEM/Automation/ShuttersControl.pm
index 313b753..84eb0e6 100644
--- a/lib/FHEM/Automation/ShuttersControl.pm
+++ b/lib/FHEM/Automation/ShuttersControl.pm
@@ -1058,8 +1058,8 @@ sub CreateSunRiseSetShuttersTimer {
     );
 
     my $name            = $hash->{NAME};
-    my $shuttersDevHash = $defs{$shuttersDev} // Log3( $hash->{NAME}, 1,
-"AutoShuttersControl ($hash->{NAME}) - Error in function  CreateSunRiseSetShuttersTimer. No shuttersDevHash given"
+    my $shuttersDevHash = $defs{$shuttersDev} return // Log3( $hash->{NAME}, 1,
+"AutoShuttersControl ($hash->{NAME}) - Error in function  CreateSunRiseSetShuttersTimer. No shuttersDevHash found for device name $shuttersDev"
     );
     my %funcHash;
     $shutters->setShuttersDev($shuttersDev);