An Error occurred while handling another error:
exception 'yii\web\HeadersAlreadySentException' with message 'Headers already sent in /home/knhotco35nv/public_html/frontend/components/MyController.php on line 29.' in /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response->sendHeaders()
#1 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/ErrorHandler.php(135): yii\web\Response->send()
#2 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\base\ErrorException))
#4 {main}
Previous exception:
exception 'yii\base\ErrorException' with message 'session_start(): Cannot send session cookie - headers already sent by (output started at /home/knhotco35nv/public_html/frontend/components/MyController.php:29)' in /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/Session.php:137
Stack trace:
#0 [internal function]: yii\base\ErrorHandler->handleError(2, 'session_start()...', '/home/knhotco35...', 137, Array)
#1 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/Session.php(137): session_start()
#2 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/Session.php(630): yii\web\Session->open()
#3 /home/knhotco35nv/public_html/vendor/devanych/yii2-cart/storage/SessionStorage.php(24): yii\web\Session->get('cart', Array)
#4 /home/knhotco35nv/public_html/vendor/devanych/yii2-cart/Cart.php(208): devanych\cart\storage\SessionStorage->load()
#5 /home/knhotco35nv/public_html/vendor/devanych/yii2-cart/Cart.php(197): devanych\cart\Cart->loadItems()
#6 /home/knhotco35nv/public_html/frontend/views/layouts/desktop/header.php(76): devanych\cart\Cart->getTotalCount()
#7 /home/knhotco35nv/public_html/frontend/views/layouts/desktop/main.php(40): include('/home/knhotco35...')
#8 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/View.php(348): require('/home/knhotco35...')
#9 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile('/home/knhotco35...', Array)
#10 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/Controller.php(401): yii\base\View->renderFile('/home/knhotco35...', Array, Object(frontend\controllers\ProductsController))
#11 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/Controller.php(387): yii\base\Controller->renderContent('<div class="cle...')
#12 /home/knhotco35nv/public_html/frontend/controllers/ProductsController.php(156): yii\base\Controller->render('detail', Array)
#13 [internal function]: frontend\controllers\ProductsController->actionView('dau-cat-got-ap-...')
#14 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#15 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction->runWithParams(Array)
#16 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('view', Array)
#17 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('products/view', Array)
#18 /home/knhotco35nv/public_html/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#19 /home/knhotco35nv/public_html/frontend/web/index.php(17): yii\base\Application->run()
#20 {main}