Fatal error: Uncaught Error: Class 'Illuminate\Database\Connection' not found in /mnt/volume_lon1_01/backend/admin/vendor/laravel/framework/src/Illuminate/Database/SqlServerConnection.php:13 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/laravel/framework/src/Illuminate/Database/SqlServerConnection.php on line 13