From 63556849c9292526a07c63e914e9bbe024379f01 Mon Sep 17 00:00:00 2001
From: Sukhwinder Dhillon <sukhwinder33445@gmail.com>
Date: Wed, 16 Aug 2023 11:19:45 +0200
Subject: [PATCH] HostnotificationQuery: Fix `Variable '$$concattedContacts' is
 probably undefined`

---
 .../Monitoring/Backend/Ido/Query/HostnotificationQuery.php       | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/monitoring/library/Monitoring/Backend/Ido/Query/HostnotificationQuery.php b/modules/monitoring/library/Monitoring/Backend/Ido/Query/HostnotificationQuery.php
index 284468ed7..f252a7e8e 100644
--- a/modules/monitoring/library/Monitoring/Backend/Ido/Query/HostnotificationQuery.php
+++ b/modules/monitoring/library/Monitoring/Backend/Ido/Query/HostnotificationQuery.php
@@ -104,6 +104,7 @@ class HostnotificationQuery extends IdoQuery
      */
     protected function joinBaseTables()
     {
+        $concattedContacts = null;
         switch ($this->ds->getDbType()) {
             case 'mysql':
                 $concattedContacts = "GROUP_CONCAT("