From 322bd51540bbdead9e5529192cc82c2a29ea09ab Mon Sep 17 00:00:00 2001
From: Till Brehm <tbrehm@ispconfig.org>
Date: Fri, 7 Jun 2024 13:36:48 +0000
Subject: [PATCH] Update quota_lib.inc.php

---
 interface/lib/classes/quota_lib.inc.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/interface/lib/classes/quota_lib.inc.php b/interface/lib/classes/quota_lib.inc.php
index dfa25a5816..6007a9d278 100644
--- a/interface/lib/classes/quota_lib.inc.php
+++ b/interface/lib/classes/quota_lib.inc.php
@@ -236,8 +236,13 @@ class quota_lib {
 		}
 		//print_r($monitor_data);
 
-               if ($email) {
-                       return $monitor_data[$email];
+               if ($email !== null && !empty($email)) {
+				   if(isset($monitor_data[$email])) {
+					   return $monitor_data[$email];
+				   } else {
+					   return '';
+				   }
+                       
                }
 		// select all email accounts or email accounts belonging to client
 		$emails = $app->db->queryAllRecords("SELECT * FROM mail_user".(($clientid != null)? " WHERE sys_groupid = (SELECT default_group FROM sys_user WHERE client_id=?)" : '') . " ORDER BY email", $clientid);
-- 
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