(e_notice)
undefined index: http_accept_language

errorexception thrown with message "undefined index: http_accept_language"
stacktrace:
#47 errorexception in /www/wwwroot/new.rongbiz.net/app/http/middleware/language.php:22
#46 illuminate\foundation\bootstrap\handleexceptions:handleerror in /www/wwwroot/new.rongbiz.net/app/http/middleware/language.php:22
#45 app\http\middleware\language:handle in /www/wwwroot/new.rongbiz.net/vendor/laravel/framework/src/illuminate/pipeline/pipelin