Fatal error: Uncaught Error: Class "Illuminate\Foundation\Application" not found in D:\Apache24\www\xyx_mes\back\backstage-of-xinyaxuan-mes\bootstrap\app.php:14 Stack trace: #0 {main} thrown in D:\Apache24\www\xyx_mes\back\backstage-of-xinyaxuan-mes\bootstrap\app.php on line 14