Index: /branches/release-39/lib/MT/Meta/Proxy.pm
===================================================================
--- /branches/release-39/lib/MT/Meta/Proxy.pm (revision 2308)
+++ /branches/release-39/lib/MT/Meta/Proxy.pm (revision 2468)
@@ -258,10 +258,7 @@
         my $type_id = $meta_obj->type;
 
-        my $field = MT::Meta->metadata_by_id($pkg, $type_id);
-        unless ($field) {
-            MT->log("Metadata ID $type_id on $pkg not found");
-            next;
-        }
-        
+        my $field = MT::Meta->metadata_by_id($pkg, $type_id)
+            or next;
+
         my $name  = $field->{name};
         my $type  = $field->{type};