Index: parser_common_syndication/parser_common_syndication.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feedapi/parser_common_syndication/parser_common_syndication.module,v
retrieving revision 1.6.2.23.2.39
diff -u -p -r1.6.2.23.2.39 parser_common_syndication.module
--- parser_common_syndication/parser_common_syndication.module	9 May 2009 06:02:09 -0000	1.6.2.23.2.39
+++ parser_common_syndication/parser_common_syndication.module	29 May 2009 18:53:10 -0000

@@ -502,8 +502,8 @@ function _parser_common_syndication_atom
       $item->options->original_url = $base . $item->options->original_url;
     }
     $item->options->guid = $guid;
-    $item->options->tags = $additional_taxonomies['ATOM Categories'];
-    $item->options->domains = $additional_taxonomies['ATOM Domains'];
+    $item->options->tags = isset($additional_taxonomies['ATOM Categories']) ? $additional_taxonomies['ATOM Categories'] : array();
+    $item->options->domains = isset($additional_taxonomies['ATOM Domains']) ? $additional_taxonomies['ATOM Domains'] : array();
     $parsed_source->items[] = $item;
   }
   return $parsed_source;