An Error occurred while handling another error:
exception 'yii\base\InvalidRouteException' with message 'Unable to resolve the request: index/error' in /var/www/html/yii2/vendor/yiisoft/yii2/base/Controller.php:128
Stack trace:
#0 /var/www/html/yii2/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('error', Array)
#1 /var/www/html/yii2/vendor/yiisoft/yii2/web/ErrorHandler.php(97): yii\base\Module->runAction('index/error')
#2 /var/www/html/yii2/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler->renderException(Object(yii\web\NotFoundHttpException))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\web\NotFoundHttpException))
#4 {main}
Previous exception:
exception 'yii\web\NotFoundHttpException' with message 'Page not found.' in /var/www/html/yii2/vendor/yiisoft/yii2/web/Request.php:281
Stack trace:
#0 /var/www/html/yii2/vendor/yiisoft/yii2/web/Application.php(82): yii\web\Request->resolve()
#1 /var/www/html/yii2/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#2 /var/www/html/yii2/mobel/web/index.php(17): yii\base\Application->run()
#3 {main}