Fatal error: Uncaught Error: Class 'craft\helpers\ArrayHelper' not found in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/tests/_craft/config/test.php:15 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/tests/_craft/config/test.php on line 15