Fatal error: Uncaught TypeError: Argument 2 passed to App\Core\Config::get() must be an instance of App\Core\mixed or null, string given, called in /www/wwwroot/yz.sgfx.vip/src/bootstrap.php on line 48 and defined in /www/wwwroot/yz.sgfx.vip/src/Core/Config.php:15 Stack trace: #0 /www/wwwroot/yz.sgfx.vip/src/bootstrap.php(48): App\Core\Config::get() #1 /www/wwwroot/yz.sgfx.vip/public/index.php(9): require('/www/wwwroot/yz...') #2 {main} thrown in /www/wwwroot/yz.sgfx.vip/src/Core/Config.php on line 15