DataObjects/Events.php

diff --git a/DataObjects/Events.php b/DataObjects/Events.php
index 034a63e..4e7b49f 100644 (file)
--- a/DataObjects/Events.php
+++ b/DataObjects/Events.php
@@ -520,7 +520,7 @@ class Pman_Core_DataObjects_Events extends DB_DataObject
         // fill toEventString.
         if (!empty($q['_with_obj_summary'])) {
             $obj = $this->object();
-            if ($obj && method_exists($obj,'toEventString')) {
+            if ($obj && $obj->pid() && method_exists($obj,'toEventString')) {
                 $es = $obj->toEventString();
                 if (strpos($this->remarks, $es) < 0) {
                     $ret['remarks'] = $es . ' ' . $this->remarks;