Fatal error: Uncaught ReflectionException: Class "common\components\errors\web\ErrorHandler" does not exist in /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php:513 Stack trace: #0 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php(513): ReflectionClass->__construct() #1 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php(391): yii\di\Container->getDependencies() #2 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php(176): yii\di\Container->build() #3 /var/www/webuser/cryptools/vendor/yiisoft/yii2/BaseYii.php(374): yii\di\Container->get() #4 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject() #5 /var/www/webuser/cryptools/vendor/yiisoft/yii2/base/Module.php(769): yii\di\ServiceLocator->get() #6 /var/www/webuser/cryptools/vendor/yiisoft/yii2/web/Application.php(151): yii\base\Module->get() #7 /var/www/webuser/cryptools/vendor/yiisoft/yii2/base/Application.php(348): yii\web\Application->getErrorHandler() #8 /var/www/webuser/cryptools/vendor/yiisoft/yii2/base/Application.php(205): yii\base\Application->registerErrorHandler() #9 /var/www/webuser/cryptools/web/index.php(6): yii\base\Application->__construct() #10 {main} Next yii\di\NotInstantiableException: Failed to instantiate component or class "common\components\errors\web\ErrorHandler". in /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php:515 Stack trace: #0 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php(391): yii\di\Container->getDependencies() #1 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php(176): yii\di\Container->build() #2 /var/www/webuser/cryptools/vendor/yiisoft/yii2/BaseYii.php(374): yii\di\Container->get() #3 /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject() #4 /var/www/webuser/cryptools/vendor/yiisoft/yii2/base/Module.php(769): yii\di\ServiceLocator->get() #5 /var/www/webuser/cryptools/vendor/yiisoft/yii2/web/Application.php(151): yii\base\Module->get() #6 /var/www/webuser/cryptools/vendor/yiisoft/yii2/base/Application.php(348): yii\web\Application->getErrorHandler() #7 /var/www/webuser/cryptools/vendor/yiisoft/yii2/base/Application.php(205): yii\base\Application->registerErrorHandler() #8 /var/www/webuser/cryptools/web/index.php(6): yii\base\Application->__construct() #9 {main} thrown in /var/www/webuser/cryptools/vendor/yiisoft/yii2/di/Container.php on line 515