Fatal error: Uncaught Error: Class 'yii\base\Behavior' not found in /home/luxurytr/public_html/lt8/storage/runtime/compiled_classes/ContentBehavior.php:17 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/storage/runtime/compiled_classes/ContentBehavior.php on line 17