Fatal error: Uncaught Error: Class 'Yii' not found in /opt/lampp/htdocs/squidv2-stage-dea/views/report/promotion/promotion_summary.php:10 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/squidv2-stage-dea/views/report/promotion/promotion_summary.php on line 10