Update release-notes/5.52.1.md
[civicrm-core.git] / CRM / Event / ActionMapping.php
index ae76bf3df2c7d6adb850559be16539b6d665654c..c474a8dba6aaf87b5afd7ffaf7a5533fd66bdebd 100644 (file)
@@ -140,7 +140,7 @@ class CRM_Event_ActionMapping extends \Civi\ActionSchedule\Mapping {
     $query['casContactIdField'] = 'e.contact_id';
     $query['casEntityIdField'] = 'e.id';
     $query['casContactTableAlias'] = NULL;
-    $query['casDateField'] = str_replace('event_', 'r.', $schedule->start_action_date);
+    $query['casDateField'] = str_replace('event_', 'r.', ($schedule->start_action_date ?? ''));
     if (empty($query['casDateField']) && $schedule->absolute_date) {
       $query['casDateField'] = "'" . CRM_Utils_Type::escape($schedule->absolute_date, 'String') . "'";
     }