From 48c2b3237b84a496a338a09a52993ef1604a502e Mon Sep 17 00:00:00 2001
From: cgoIT <info@cgo-it.de>
Date: Mon, 20 Apr 2026 19:04:50 +0200
Subject: [PATCH] fix: return $fields if dummy form is used in FormListener

---
 src/EventListener/FormListener.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/EventListener/FormListener.php b/src/EventListener/FormListener.php
index 7fb243e..6accb8b 100644
--- a/src/EventListener/FormListener.php
+++ b/src/EventListener/FormListener.php
@@ -43,6 +43,11 @@ public function onCompileFormFields(array $fields, string $formId, Form $form):
             return $fields;
         }
 
+        if (empty($form->Template)) {
+            // The form template is not loaded yet
+            return $fields;
+        }
+
         if (!isset($this->handlers[$formId])) {
             $this->handlers[$formId] = new FormHandler($form, $fields, $this->expressionLanguageFactory->create(), $this->formManagerFactory);
         }