From a0452190926d386ec5afd4fdcf7c5b836ae6c5f2 Mon Sep 17 00:00:00 2001
From: Yanick Witschi <yanick.witschi@terminal42.ch>
Date: Wed, 6 Dec 2023 12:41:11 +0100
Subject: [PATCH] Do not try to load any values if it's not an mp_form

---
 src/EventListener/LoadFormFieldListener.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/EventListener/LoadFormFieldListener.php b/src/EventListener/LoadFormFieldListener.php
index 5df466f..74cb561 100644
--- a/src/EventListener/LoadFormFieldListener.php
+++ b/src/EventListener/LoadFormFieldListener.php
@@ -23,9 +23,13 @@ public function __invoke(Widget $widget, string $formId, array $formData, Form $
             return $widget;
         }
 
-        $postData = new ParameterBag($_POST);
-
         $manager = $this->formManagerFactory->forFormId((int) $form->id);
+
+        if (!$manager->isValidFormFieldCombination()) {
+            return $widget;
+        }
+
+        $postData = new ParameterBag($_POST);
         $stepData = $manager->getDataOfCurrentStep();
 
         // We only prefill the value if it was not submitted in this step.