An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /var/www/html/app/config/web.php on line 6. in /var/www/html/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /var/www/html/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response->sendHeaders()
#1 /var/www/html/vendor/yiisoft/yii2/web/ErrorHandler.php(159): yii\web\Response->send()
#2 /var/www/html/vendor/yiisoft/yii2/base/ErrorHandler.php(152): yii\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\base\ErrorException))
#4 {main}
Previous exception:
yii\base\ErrorException: session_name(): Session name cannot be changed after headers have already been sent in /var/www/html/vendor/yiisoft/yii2/web/Session.php:352
Stack trace:
#0 [internal function]: yii\base\ErrorHandler->handleError(2, 'session_name():...', '/var/www/html/v...', 352)
#1 /var/www/html/vendor/yiisoft/yii2/web/Session.php(352): session_name('PHPFRONTSESSID')
#2 /var/www/html/vendor/yiisoft/yii2/base/Component.php(184): yii\web\Session->setName('PHPFRONTSESSID')
#3 /var/www/html/vendor/yiisoft/yii2/BaseYii.php(563): yii\base\Component->__set('name', 'PHPFRONTSESSID')
#4 /var/www/html/vendor/yiisoft/yii2/base/BaseObject.php(108): yii\BaseYii::configure(Object(yii\web\Session), Array)
#5 [internal function]: yii\base\BaseObject->__construct(Array)
#6 /var/www/html/vendor/yiisoft/yii2/di/Container.php(427): ReflectionClass->newInstanceArgs(Array)
#7 /var/www/html/vendor/yiisoft/yii2/di/Container.php(175): yii\di\Container->build('yii\\web\\Session', Array, Array)
#8 /var/www/html/vendor/yiisoft/yii2/BaseYii.php(371): yii\di\Container->get('yii\\web\\Session', Array, Array)
#9 /var/www/html/vendor/yiisoft/yii2/di/ServiceLocator.php(138): yii\BaseYii::createObject(Array)
#10 /var/www/html/vendor/yiisoft/yii2/base/Module.php(785): yii\di\ServiceLocator->get('session', true)
#11 /var/www/html/vendor/yiisoft/yii2/web/Application.php(181): yii\base\Module->get('session')
#12 /var/www/html/vendor/yiisoft/yii2/web/User.php(698): yii\web\Application->getSession()
#13 /var/www/html/vendor/yiisoft/yii2/web/User.php(208): yii\web\User->renewAuthStatus()
#14 /var/www/html/vendor/yiisoft/yii2/web/User.php(375): yii\web\User->getIdentity()
#15 /var/www/html/vendor/yiisoft/yii2/base/Component.php(143): yii\web\User->getIsGuest()
#16 /var/www/html/vendor/noumo/easyii/AdminModule.php(43): yii\base\Component->__get('isGuest')
#17 /var/www/html/vendor/yiisoft/yii2/base/BaseObject.php(110): yii\easyii\AdminModule->init()
#18 /var/www/html/vendor/yiisoft/yii2/base/Module.php(172): yii\base\BaseObject->__construct(Array)
#19 [internal function]: yii\base\Module->__construct('admin', Object(yii\web\Application), Array)
#20 /var/www/html/vendor/yiisoft/yii2/di/Container.php(419): ReflectionClass->newInstanceArgs(Array)
#21 /var/www/html/vendor/yiisoft/yii2/di/Container.php(175): yii\di\Container->build('yii\\easyii\\Admi...', Array, Array)
#22 /var/www/html/vendor/yiisoft/yii2/BaseYii.php(371): yii\di\Container->get('yii\\easyii\\Admi...', Array, Array)
#23 /var/www/html/vendor/yiisoft/yii2/base/Module.php(453): yii\BaseYii::createObject(Array, Array)
#24 /var/www/html/vendor/yiisoft/yii2/base/Application.php(313): yii\base\Module->getModule('admin')
#25 /var/www/html/vendor/yiisoft/yii2/web/Application.php(72): yii\base\Application->bootstrap()
#26 /var/www/html/vendor/yiisoft/yii2/base/Application.php(271): yii\web\Application->bootstrap()
#27 /var/www/html/vendor/yiisoft/yii2/base/BaseObject.php(110): yii\base\Application->init()
#28 /var/www/html/vendor/yiisoft/yii2/base/Application.php(204): yii\base\BaseObject->__construct(Array)
#29 /var/www/html/index.php(11): yii\base\Application->__construct(Array)
#30 {main}