老师,又来麻烦您了。
An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /www/web/fecshop/appfront/web/index.php on line 1. in /www/web/fecshop/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
Previous exception:
yii\base\ErrorException: session_start(): Cannot send session cookie - headers already sent by (output started at /www/web/fecshop/appfront/web/index.php:1) in /www/web/fecshop/vendor/yiisoft/yii2/web/Session.php:137
Stack trace: