From d26197f3296bcfc3a376308dd24f15d0e59964b6 Mon Sep 17 00:00:00 2001
From: Thierry Bugier <tbugier@teclib.com>
Date: Fri, 7 Feb 2020 18:33:27 +0100
Subject: [PATCH] fix(dropdownfield): check existence of itemtype in
 prerequisite

Signed-off-by: Thierry Bugier <tbugier@teclib.com>
---
 inc/fields/dropdownfield.class.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/inc/fields/dropdownfield.class.php b/inc/fields/dropdownfield.class.php
index 709ed6bee..c29997060 100644
--- a/inc/fields/dropdownfield.class.php
+++ b/inc/fields/dropdownfield.class.php
@@ -32,7 +32,9 @@
 class PluginFormcreatorDropdownField extends PluginFormcreatorField
 {
    public function isPrerequisites() {
-      return true;
+      $itemtype = $this->getSubItemtype();
+
+      return class_exists($itemtype);
    }
 
    public function getDesignSpecializationField() {