From e6d364b250bbdd66adb0f567b39721e346f1ece0 Mon Sep 17 00:00:00 2001
From: Omri Abu <6192223+Omripresent@users.noreply.github.com>
Date: Fri, 16 May 2025 14:46:43 -0400
Subject: [PATCH] Initilize error_message to empty string Update template
 branching for empty template render output

---
 netbox/extras/views.py                            | 2 +-
 netbox/templates/extras/object_render_config.html | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/netbox/extras/views.py b/netbox/extras/views.py
index ae9337779..ca4596fe8 100644
--- a/netbox/extras/views.py
+++ b/netbox/extras/views.py
@@ -966,7 +966,7 @@ class ObjectRenderConfigView(generic.ObjectView):
 
         # Render the config template
         rendered_config = None
-        error_message = None
+        error_message = ''
         if config_template := instance.get_config_template():
             try:
                 rendered_config = config_template.render(context=context_data)
diff --git a/netbox/templates/extras/object_render_config.html b/netbox/templates/extras/object_render_config.html
index 42c6c1b86..10d6d4aef 100644
--- a/netbox/templates/extras/object_render_config.html
+++ b/netbox/templates/extras/object_render_config.html
@@ -63,11 +63,15 @@
             </h2>
             <pre class="card-body" id="rendered_config">{{ rendered_config }}</pre>
           </div>
-        {% else %}
+        {% elif error_message %}
           <div class="alert alert-warning">
             <h4 class="alert-title mb-1">{% trans "Error rendering template" %}</h4>
             {% trans error_message %}
           </div>
+        {% else %}
+          <div class="alert alert-warning">
+            <h4 class="alert-title mb-1">{% trans "Template output is empty" %}</h4>
+          </div>
         {% endif %}
       {% else %}
         <div class="alert alert-info">