Fatal error: Uncaught exception 'yii\web\HeadersAlreadySentException' with message 'Headers already sent in D:\vhostroot\LocalUser\durabcomcn666\www\vendor\yiisoft\yii2\web\Response.php on line 414.' in D:\vhostroot\LocalUser\durabcomcn666\www\vendor\yiisoft\yii2\web\Response.php:366 Stack trace: #0 D:\vhostroot\LocalUser\durabcomcn666\www\vendor\yiisoft\yii2\web\Response.php(339): yii\web\Response->sendHeaders() #1 D:\vhostroot\LocalUser\durabcomcn666\www\vendor\yiisoft\yii2\web\ErrorHandler.php(135): yii\web\Response->send() #2 D:\vhostroot\LocalUser\durabcomcn666\www\vendor\yiisoft\yii2\base\ErrorHandler.php(262): yii\web\ErrorHandler->renderException(Object(yii\base\ErrorException)) #3 [internal function]: yii\base\ErrorHandler->handleFatalError() #4 {main} thrown in D:\vhostroot\LocalUser\durabcomcn666\www\vendor\yiisoft\yii2\web\Response.php on line 366