Fatal error: Uncaught Error: Class 'Illuminate\Database\Grammar' not found in /mnt/volume_lon1_01/backend/admin/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php:12 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php on line 12