fix

lib/Entity/NullableEntity.php

@@ -3,10 +3,19 @@
 namespace Bx\Nullable\Entity;
 
 use Bx\Nullable\IFields\NullableFields;
+use Bx\Nullable\Factory\NullableFactory;
 use Wt\Core\Entity\AEntity;
 
 class NullableEntity extends AEntity
 {
+    /**
+     * @return NullableFactory
+     */
+    public function getFactory()
+    {
+        return parent::getFactory(); // TODO: Change the autogenerated stub
+    }
+
     /**
      * @return NullableFields
      */