我真的不知道为什么这个错误突然出现在我的Symfony应用程序版本4.4中,没有任何突然的更改,错误开始被触发:
Uncaught PHP Exception RuntimeException: "Failed to start the session because headers have already been sent by "php://input" at line 1." at /vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php line 152 {