Fatal error: Uncaught Error: Class "Illuminate\Database\Grammar" not found in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php:14 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php on line 14