Fatal error: Uncaught Error: Class "yii\base\Event" not found in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2-httpclient/RequestEvent.php:18 Stack trace: #0 {main} thrown in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2-httpclient/RequestEvent.php on line 18