diff --git a/onvif/modules/lib/ONVIF/Deserializer/MessageParser.pm b/onvif/modules/lib/ONVIF/Deserializer/MessageParser.pm
index b0ce6f0fd..0e4b6dcfb 100644
--- a/onvif/modules/lib/ONVIF/Deserializer/MessageParser.pm
+++ b/onvif/modules/lib/ONVIF/Deserializer/MessageParser.pm
@@ -272,7 +272,11 @@ sub _initialize {
             #
             $_method =~s{\.}{__}xg;
             $_method =~s{\-}{_}xg;
-            $list->[-1]->$_method( $current );
+            if ( $list->[-1]->can( $_method ) ) {
+              $list->[-1]->$_method( $current );
+            } else {
+              print ( "ERror " . $list->[-1] . " cannot $_method\n" );
+            }
 
             $current = pop @$list;          # step up in object hierarchy