An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /home/mtb63830/public_html/index.php on line 4. in /home/mtb63830/public_html/vendor/yiisoft/yii2/web/Response.php:368
Stack trace:
#0 /home/mtb63830/public_html/vendor/yiisoft/yii2/web/Response.php(341): yii\web\Response->sendHeaders()
#1 /home/mtb63830/public_html/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/ErrorHandler.php(135): 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(): Cannot change session name when headers already sent in /home/mtb63830/public_html/vendor/yiisoft/yii2/web/Session.php:357
Stack trace:
#0 [internal function]: yii\base\ErrorHandler->handleError(2, 'session_name():...', '/home/mtb63830/...', 357, Array)
#1 /home/mtb63830/public_html/vendor/yiisoft/yii2/web/Session.php(357): session_name('advanced-fronte...')
#2 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/Component.php(180): yii\web\Session->setName('advanced-fronte...')
#3 /home/mtb63830/public_html/vendor/yiisoft/yii2/BaseYii.php(558): yii\base\Component->__set('name', 'advanced-fronte...')
#4 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/BaseObject.php(107): yii\BaseYii::configure(Object(yii\web\Session), Array)
#5 [internal function]: yii\base\BaseObject->__construct(Array)
#6 /home/mtb63830/public_html/vendor/yiisoft/yii2/di/Container.php(419): ReflectionClass->newInstanceArgs(Array)
#7 /home/mtb63830/public_html/vendor/yiisoft/yii2/di/Container.php(170): yii\di\Container->build('yii\\web\\Session', Array, Array)
#8 /home/mtb63830/public_html/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container->get('yii\\web\\Session', Array, Array)
#9 /home/mtb63830/public_html/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Array)
#10 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/Module.php(766): yii\di\ServiceLocator->get('session', true)
#11 /home/mtb63830/public_html/vendor/yiisoft/yii2/di/ServiceLocator.php(74): yii\base\Module->get('session')
#12 /home/mtb63830/public_html/frontend/controllers/SiteController.php(125): yii\di\ServiceLocator->__get('session')
#13 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/Controller.php(176): frontend\controllers\SiteController->beforeAction(Object(yii\base\InlineAction))
#14 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction('index', Array)
#15 /home/mtb63830/public_html/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('site/index', Array)
#16 /home/mtb63830/public_html/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest(Object(yii\web\Request))
#17 /home/mtb63830/public_html/index.php(21): yii\base\Application->run()
#18 {main}