An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /app/htdocs/articles-experts-detail.php on line 48. in /app/vendor/yiisoft/yii2/web/Response.php:368
Stack trace:
#0 /app/vendor/yiisoft/yii2/web/Response.php(341): yii\web\Response->sendHeaders()
#1 /app/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response->send()
#2 /app/common/components/ErrorHandler.php(55): yii\web\ErrorHandler->renderException(Object(yii\base\ErrorException))
#3 /app/vendor/yiisoft/yii2/base/ErrorHandler.php(152): common\components\ErrorHandler->renderException(Object(yii\base\ErrorException))
#4 /app/common/components/ErrorHandler.php(96): yii\base\ErrorHandler->handleException(Object(yii\base\ErrorException))
#5 [internal function]: common\components\ErrorHandler->handleException(Object(yii\base\ErrorException))
#6 {main}
Previous exception:
yii\base\ErrorException: Invalid argument supplied for foreach() in /app/htdocs/articles-experts-detail.php:280
Stack trace:
#0 /app/common/components/ErrorHandler.php(85): yii\base\ErrorHandler->handleError(2, 'Invalid argumen...', '/app/htdocs/art...', 280)
#1 /app/htdocs/articles-experts-detail.php(280): common\components\ErrorHandler->handleError(2, 'Invalid argumen...', '/app/htdocs/art...', 280, Array)
#2 {main}