An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /srv/users/bgn-production/apps/bgn-production/public/index.php on line 7. in /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/Response.php:369
Stack trace:
#0 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/Response.php(342): yii\web\Response->sendHeaders()
#1 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/ErrorHandler.php(192): yii\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#3 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/base/ErrorHandler.php(152): craft\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#4 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/ErrorHandler.php(66): yii\base\ErrorHandler->handleException(Object(yii\base\ErrorException))
#5 [internal function]: craft\web\ErrorHandler->handleException(Object(yii\base\ErrorException))
#6 {main}
Previous exception:
yii\base\ErrorException: session_name(): Session name cannot be changed after headers have already been sent in /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/Session.php:357
Stack trace:
#0 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/ErrorHandler.php(79): yii\base\ErrorHandler->handleError(2, 'session_name():...', '/srv/users/bgn-...', 357)
#1 [internal function]: craft\web\ErrorHandler->handleError(2, 'session_name():...', '/srv/users/bgn-...', 357)
#2 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/Session.php(357): session_name('CraftSessionId')
#3 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/base/Component.php(180): yii\web\Session->setName('CraftSessionId')
#4 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/BaseYii.php(557): yii\base\Component->__set('name', 'CraftSessionId')
#5 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/base/BaseObject.php(107): yii\BaseYii::configure(Object(craft\web\Session), Array)
#6 [internal function]: yii\base\BaseObject->__construct(Array)
#7 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/di/Container.php(419): ReflectionClass->newInstanceArgs(Array)
#8 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/di/Container.php(170): yii\di\Container->build('craft\\web\\Sessi...', Array, Array)
#9 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('craft\\web\\Sessi...', Array, Array)
#10 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/Craft.php(60): yii\BaseYii::createObject(Array, Array)
#11 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/config/app.web.php(30): Craft::createObject(Array)
#12 [internal function]: {closure}()
#13 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/di/Container.php(633): call_user_func_array(Object(Closure), Array)
#14 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/BaseYii.php(349): yii\di\Container->invoke(Object(Closure), Array)
#15 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Object(Closure))
#16 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/base/Module.php(766): yii\di\ServiceLocator->get('session', true)
#17 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/Application.php(360): yii\base\Module->get('session', true)
#18 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/Application.php(178): craft\web\Application->get('session')
#19 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/helpers/Session.php(112): yii\web\Application->getSession()
#20 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/helpers/Session.php(133): craft\helpers\Session::session()
#21 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/helpers/Session.php(92): craft\helpers\Session::exists()
#22 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/User.php(498): craft\helpers\Session::has('__duration')
#23 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/web/User.php(199): craft\web\User->renewAuthStatus()
#24 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/Application.php(435): yii\web\User->getIdentity()
#25 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/web/Application.php(112): craft\web\Application->debugBootstrap()
#26 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/base/BaseObject.php(109): craft\web\Application->init()
#27 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/base/Application.php(204): yii\base\BaseObject->__construct(Array)
#28 [internal function]: yii\base\Application->__construct(Array)
#29 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/di/Container.php(419): ReflectionClass->newInstanceArgs(Array)
#30 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/di/Container.php(170): yii\di\Container->build('craft\\web\\Appli...', Array, Array)
#31 /srv/users/bgn-production/apps/bgn-production/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('craft\\web\\Appli...', Array, Array)
#32 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/src/Craft.php(60): yii\BaseYii::createObject(Array, Array)
#33 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/bootstrap/bootstrap.php(263): Craft::createObject(Array)
#34 /srv/users/bgn-production/apps/bgn-production/vendor/craftcms/cms/bootstrap/web.php(40): require('/srv/users/bgn-...')
#35 /srv/users/bgn-production/apps/bgn-production/public/index.php(12): require('/srv/users/bgn-...')
#36 {main}