diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd8c39641..5525f4b13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- [Leaving empty the Parent field in the Assign Parent For This Asset form leads to unexpected error #683](https://github.com/farmOS/farmOS/issues/683)
+
 ## [2.1.1] 2023-05-23
 
 ### Fixed
diff --git a/modules/core/parent/src/Form/AssetParentActionForm.php b/modules/core/parent/src/Form/AssetParentActionForm.php
index 98145ef68..0629a91a5 100644
--- a/modules/core/parent/src/Form/AssetParentActionForm.php
+++ b/modules/core/parent/src/Form/AssetParentActionForm.php
@@ -181,6 +181,7 @@ class AssetParentActionForm extends ConfirmFormBase {
       '#tags' => TRUE,
       '#validate_reference' => FALSE,
       '#maxlength' => 1024,
+      '#required' => TRUE,
     ];
 
     $form['operation'] = [