Fatal error: Uncaught Error: Class 'ReflectionClass' not found in C:\apache\htdocs\notas\vendor\yiisoft\yii2\di\Container.php:428 Stack trace: #0 C:\apache\htdocs\notas\vendor\yiisoft\yii2\di\Container.php(364): yii\di\Container->getDependencies('yii\\web\\ErrorHa...') #1 C:\apache\htdocs\notas\vendor\yiisoft\yii2\di\Container.php(156): yii\di\Container->build('yii\\web\\ErrorHa...', Array, Array) #2 C:\apache\htdocs\notas\vendor\yiisoft\yii2\BaseYii.php(349): yii\di\Container->get('yii\\web\\ErrorHa...', Array, Array) #3 C:\apache\htdocs\notas\vendor\yiisoft\yii2\di\ServiceLocator.php(137): yii\BaseYii::createObject(Array) #4 C:\apache\htdocs\notas\vendor\yiisoft\yii2\base\Module.php(742): yii\di\ServiceLocator->get('errorHandler', true) #5 C:\apache\htdocs\notas\vendor\yiisoft\yii2\web\Application.php(151): yii\base\Module->get('errorHandler') #6 C:\apache\htdocs\notas\vendor\yiisoft\yii2\base\Application.php(347): yii\web\Application->getErrorHandler() #7 C:\apache\htdocs\notas\vendor\yiisoft\yii2\base\Application.php( in C:\apache\htdocs\notas\vendor\yiisoft\yii2\di\Container.php on line 428