Edit file File name : ValidationException.php Content :<?php /* * This file is part of the Kimai time-tracking app. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace App\Validator; class ValidationException extends \RuntimeException { public function __construct(string $message = null) { if ($message === null) { $message = 'Validation failed'; } parent::__construct($message, 400); } } Save