diff --git a/src/Form/ComponentSectionForm.php b/src/Form/ComponentSectionForm.php
index 2f0b434..1029768 100644
--- a/src/Form/ComponentSectionForm.php
+++ b/src/Form/ComponentSectionForm.php
@@ -28,6 +28,9 @@ class ComponentSectionForm extends ComponentFormBase {
    */
   static protected $componentDataInfo = [];
 
+  /** @var array  */
+  static protected $moduleEntityData = [];
+
   /**
    * Gets the names of properties this form should show.
    *