Fatal error: Uncaught Error: Class "yii\helpers\BaseFileHelper" not found in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/helpers/FileHelper.php:17 Stack trace: #0 {main} thrown in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/helpers/FileHelper.php on line 17