Ticket #15741: 15741.3.diff

wp-includes/taxonomy.php

@@ -2105 +2105 @@
                         $term_id = (int) $wpdb->insert_id;
                 } elseif ( $exists = term_exists( (int) $term_id, $taxonomy ) )  {
                         // Same name, same slug.
-                        return new WP_Error('term_exists', __('A term with the name provided already exists.'), $exists['term_id']);
+                        return new WP_Error('term_exists', __('A term with the name and slug provided already exists.'), $exists['term_id']);
                 }
         } else {
                 // This term does not exist at all in the database, Create it.