我正在使用Laravel并尝试启动PHP artisan服务器,但出现以下错误:
PHP Fatal error: Uncaught Error: Class 'Illuminate\Foundation\Application' not found in C:\Users\Admin\Budget\bootstrap\app.php:14
Stack trace:
#0 C:\Users\Admin\Budget\artisan(20): require_once()
#1 {main}
thrown in C:\Users\Admin\Budget\bootstrap\app.php on line 14
我该如何解决?