Fatal error: Uncaught Error: Class "yii\base\Widget" not found in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-spinner/Spinner.php:23
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-spinner/Spinner.php on line 23