Fatal error: Uncaught Error: Class 'Codeception\Actor' not found in /var/www/up.tantal-metall.com/yii_up/tests/_support/AcceptanceTester.php:19 Stack trace: #0 {main} thrown in /var/www/up.tantal-metall.com/yii_up/tests/_support/AcceptanceTester.php on line 19