Fatal error: Uncaught Error: Class "yii\widgets\Menu" not found in /home2/yiikharazmisabt/public_html/vendor/ricar2ce/yii2-material-theme/widgets/Menu.php:11 Stack trace: #0 {main} thrown in /home2/yiikharazmisabt/public_html/vendor/ricar2ce/yii2-material-theme/widgets/Menu.php on line 11