app/Filament/Resources/PanelBoxValidationResource.php

@@ -598,12 +598,6 @@ class PanelBoxValidationResource extends Resource
                         $parts = explode('/', $state);
                         $extracted = trim(end($parts));
 
-                        if (count($parts) < 3 || $extracted == '') {
-                            $set('serialPanelError', 'Format must be: SupplierCode/ItemCode/SerialNumber');
-                            $set('serial_number_panel', null);
-                            return;
-                        }
-
                         $expected = $get('serial_number');
 
                         if ($extracted != $expected) {