An Error occurred while handling another error:
exception 'yii\web\HeadersAlreadySentException' with message 'Headers already sent in /var/www/virtual/slowdentist.it/htdocs/frontend/controllers/SearchController.php on line 480.' in /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response->sendHeaders()
#1 /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/web/ErrorHandler.php(135): yii\web\Response->send()
#2 /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler->renderException(Object(yii\web\HeadersAlreadySentException))
#3 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\web\HeadersAlreadySentException))
#4 {main}
Previous exception:
exception 'yii\web\HeadersAlreadySentException' with message 'Headers already sent in /var/www/virtual/slowdentist.it/htdocs/frontend/controllers/SearchController.php on line 480.' in /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response->sendHeaders()
#1 /var/www/virtual/slowdentist.it/htdocs/vendor/yiisoft/yii2/base/Application.php(392): yii\web\Response->send()
#2 /var/www/virtual/slowdentist.it/htdocs/frontend/web/index.php(32): yii\base\Application->run()
#3 {main}