Fatal error: Uncaught Error: Class "yii\widgets\Menu" not found in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-affix/Affix.php:46
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/sgdpr/vendor/kartik-v/yii2-widget-affix/Affix.php on line 46