Fatal error: Uncaught Error: Class "Illuminate\Database\Query\Grammars\Grammar" not found in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\MySqlGrammar.php:11 Stack trace: #0 {main} thrown in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\MySqlGrammar.php on line 11