Ticket #5226: taxonomy-error-check-r6270.patch

wordpress/wp-includes/taxonomy.php

@@ -1119 +1119 @@
         foreach ($terms as $term) {
                 if ( !$id = is_term($term, $taxonomy) )
                         $id = wp_insert_term($term, $taxonomy);
+                if ( is_wp_error($id) )
+                        return $id;
                 $term_ids[] = $id['term_id'];
                 $id = $id['term_taxonomy_id'];
                 $tt_ids[] = $id;