From b7eaca74251b7c7f343b99bc72900e3aa5696d93 Mon Sep 17 00:00:00 2001
From: Ronny Bruska <ronny.bruska@checkmk.com>
Date: Thu, 30 Jan 2025 07:52:57 +0100
Subject: [PATCH] HTML Emails: Fix possible UndefinedError in jinja template

CMK-21497

Change-Id: Ib3e45fcaaff63f279303e972d233bc985c4a3007
---
 notifications/templates/mail/base.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notifications/templates/mail/base.html b/notifications/templates/mail/base.html
index 40d63aa56b0..8c87a372295 100644
--- a/notifications/templates/mail/base.html
+++ b/notifications/templates/mail/base.html
@@ -111,7 +111,7 @@
                                 {% if elements_without_graph %}
                                     {% include 'additional.html' %}
                                 {% endif %}
-                                {% if data.PARAMETER_CONTACT_GROUPS %}
+                                {% if data.PARAMETER_CONTACT_GROUPS and data.HOSTCONTACTGROUPNAMES|default(false) %}
                                     {% include 'contact_groups.html' %}
                                 {% endif %}
                                 {% if service_notification and data.PARAMETER_SVC_LABELS %}