NamelessMC

I cant find how to downgrad but thats the error

Fatal error: __autoload() is no longer supported, use spl_autoload_register() instead in /var/www/html/core/includes/phpmailer/PHPMailerAutoload.php on line 45

You know how to downgrade ?

Hello ?

When i try to send an Test mail http error 500

and when someone try to register and press on submit it says http error 500