An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /var/www/jitsifrontpanel/vendor/yiisoft/yii2/web/Response.php on line 442. in /var/www/jitsifrontpanel/vendor/yiisoft/yii2/web/Response.php:368
Stack trace:
#0 /var/www/jitsifrontpanel/vendor/yiisoft/yii2/web/Response.php(341): yii\web\Response->sendHeaders()
#1 /var/www/jitsifrontpanel/vendor/yiisoft/yii2/web/ErrorHandler.php(138): yii\web\Response->send()
#2 /var/www/jitsifrontpanel/vendor/yiisoft/yii2/base/ErrorHandler.php(151): yii\web\ErrorHandler->renderException()
#3 [internal function]: yii\base\ErrorHandler->handleException()
#4 {main}
Previous exception:
yii\base\ErrorException: session_write_close(): Write failed: No space left on device (28) in /var/www/jitsifrontpanel/vendor/yiisoft/yii2/web/Session.php:215
Stack trace:
#0 [internal function]: yii\base\ErrorHandler->handleError()
#1 /var/www/jitsifrontpanel/vendor/yiisoft/yii2/web/Session.php(215): session_write_close()
#2 [internal function]: yii\web\Session->close()
#3 {main}