Fatal error: Uncaught Error: Class "yii\bootstrap\Widget" not found in /home/apolo/public_html/sgdpr/vendor/yiisoft/yii2-bootstrap/src/Collapse.php:54
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/sgdpr/vendor/yiisoft/yii2-bootstrap/src/Collapse.php on line 54