Fixed #4233

Author: lukeholder

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Fixed an error that could occur when editing inventory locations. ([#4233](https://github.com/craftcms/commerce/issues/4233))
 - Fixed a SQL error that could occur when querying for unfulfilled orders on PostgreSQL. ([#4228](https://github.com/craftcms/commerce/issues/4228))
 - Fixed an error that could occur when resaving variants. ([#4226](https://github.com/craftcms/commerce/issues/4226))
 

src/controllers/InventoryLocationsController.php

@@ -132,13 +132,13 @@ public function actionEdit(?int $inventoryLocationId = null, ?InventoryLocation
 
         // Remove the title/label field from the address field layout
         foreach ($form->tabs as &$tab) {
-            $tab->elements = array_filter($tab->elements, function($element) {
+            $tab->elements = array_values(array_filter($tab->elements, function($element) {
                 if (is_array($element) && $element[0] instanceof LabelField && $element[0]->attribute === 'title') {
                     return false;
                 }
 
                 return true;
-            });
+            }));
         }
 
         ArrayHelper::prependOrAppend($form->tabs[0]->elements, [