Fatal error: Uncaught Error: Class "Illuminate\Database\Connection" not found in /home/tongkhoc/sugy.shang.vn/vendor/laravel/framework/src/Illuminate/Database/SqlServerConnection.php:16 Stack trace: #0 {main} thrown in /home/tongkhoc/sugy.shang.vn/vendor/laravel/framework/src/Illuminate/Database/SqlServerConnection.php on line 16