An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /var/www/app/common/config/params.php on line 39. in /var/www/app/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /var/www/app/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response->sendHeaders()
#1 /var/www/app/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /var/www/app/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/app/vendor/yiisoft/yii2/web/Session.php:348
Stack trace:
#0 [internal function]: yii\base\ErrorHandler->handleError(2, 'session_name():...', '/var/www/app/ve...', 348)
#1 /var/www/app/vendor/yiisoft/yii2/web/Session.php(348): session_name('advanced-fronte...')
#2 /var/www/app/vendor/yiisoft/yii2/base/Component.php(180): yii\web\Session->setName('advanced-fronte...')
#3 /var/www/app/vendor/yiisoft/yii2/BaseYii.php(557): yii\base\Component->__set('name', 'advanced-fronte...')
#4 /var/www/app/vendor/yiisoft/yii2/base/BaseObject.php(107): yii\BaseYii::configure(Object(yii\web\Session), Array)
#5 [internal function]: yii\base\BaseObject->__construct(Array)
#6 /var/www/app/vendor/yiisoft/yii2/di/Container.php(426): ReflectionClass->newInstanceArgs(Array)
#7 /var/www/app/vendor/yiisoft/yii2/di/Container.php(177): yii\di\Container->build('yii\\web\\Session', Array, Array)
#8 /var/www/app/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('yii\\web\\Session', Array, Array)
#9 /var/www/app/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Array)
#10 /var/www/app/vendor/yiisoft/yii2/base/Module.php(766): yii\di\ServiceLocator->get('session', true)
#11 /var/www/app/vendor/yiisoft/yii2/web/Application.php(178): yii\base\Module->get('session')
#12 /var/www/app/vendor/yiisoft/yii2/web/User.php(691): yii\web\Application->getSession()
#13 /var/www/app/vendor/yiisoft/yii2/web/User.php(199): yii\web\User->renewAuthStatus()
#14 /var/www/app/vendor/yiisoft/yii2/web/User.php(367): yii\web\User->getIdentity()
#15 /var/www/app/vendor/yiisoft/yii2/base/Component.php(139): yii\web\User->getIsGuest()
#16 /var/www/app/vendor/yiisoft/yii2-debug/src/panels/UserPanel.php(84): yii\base\Component->__get('isGuest')
#17 /var/www/app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\debug\panels\UserPanel->init()
#18 [internal function]: yii\base\BaseObject->__construct(Array)
#19 /var/www/app/vendor/yiisoft/yii2/di/Container.php(426): ReflectionClass->newInstanceArgs(Array)
#20 /var/www/app/vendor/yiisoft/yii2/di/Container.php(177): yii\di\Container->build('yii\\debug\\panel...', Array, Array)
#21 /var/www/app/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('yii\\debug\\panel...', Array, Array)
#22 /var/www/app/vendor/yiisoft/yii2-debug/src/Module.php(265): yii\BaseYii::createObject(Array)
#23 /var/www/app/vendor/yiisoft/yii2-debug/src/Module.php(237): yii\debug\Module->initPanels()
#24 /var/www/app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\debug\Module->init()
#25 /var/www/app/vendor/yiisoft/yii2/base/Module.php(161): yii\base\BaseObject->__construct(Array)
#26 [internal function]: yii\base\Module->__construct('debug', Object(yii\web\Application), Array)
#27 /var/www/app/vendor/yiisoft/yii2/di/Container.php(426): ReflectionClass->newInstanceArgs(Array)
#28 /var/www/app/vendor/yiisoft/yii2/di/Container.php(177): yii\di\Container->build('yii\\debug\\Modul...', Array, Array)
#29 /var/www/app/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('yii\\debug\\Modul...', Array, Array)
#30 /var/www/app/vendor/yiisoft/yii2/base/Module.php(445): yii\BaseYii::createObject(Array, Array)
#31 /var/www/app/vendor/yiisoft/yii2/base/Application.php(313): yii\base\Module->getModule('debug')
#32 /var/www/app/vendor/yiisoft/yii2/web/Application.php(69): yii\base\Application->bootstrap()
#33 /var/www/app/vendor/yiisoft/yii2/base/Application.php(271): yii\web\Application->bootstrap()
#34 /var/www/app/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\base\Application->init()
#35 /var/www/app/vendor/yiisoft/yii2/base/Application.php(204): yii\base\BaseObject->__construct(Array)
#36 /var/www/app/frontend/web/index.php(21): yii\base\Application->__construct(Array)
#37 {main}