Fatal error: Uncaught yii\base\InvalidRouteException: Unable to resolve the request "sitemap.xml". in /webser/www/yii2-app/vendor/yiisoft/yii2/base/Module.php:537 Stack trace: #0 /webser/www/yii2-app/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('sitemap.xml', Array) #1 /webser/www/yii2-app/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request)) #2 /webser/www/yii2-app/frontend/web/index.php(18): yii\base\Application->run() #3 {main} Next yii\web\NotFoundHttpException: Page not found. in /webser/www/yii2-app/vendor/yiisoft/yii2/web/Application.php:115 Stack trace: #0 /webser/www/yii2-app/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request)) #1 /webser/www/yii2-app/frontend/web/index.php(18): yii\base\Application->run() #2 {main} thrown in /webser/www/yii2-app/vendor/yiisoft/yii2/web/Application.php on line 115