Fatal error: Uncaught Error: Class "Illuminate\Database\Query\Grammars\Grammar" not found in C:\xampp\htdocs\desarrollos\Pruebas\lpt-pkg-demo-pwa\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\SqlServerGrammar.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\desarrollos\Pruebas\lpt-pkg-demo-pwa\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\SqlServerGrammar.php on line 9