Fatal error: Uncaught Error: Class "yii\base\Widget" not found in /var/www/up.schoollogo.ru/vendor/yiisoft/yii2-bootstrap5/src/Widget.php:15 Stack trace: #0 {main} thrown in /var/www/up.schoollogo.ru/vendor/yiisoft/yii2-bootstrap5/src/Widget.php on line 15