Fatal error: Uncaught Error: Class "think\Facade" not found in C:\xampp\htdocs\SoftlibSite\vendor\topthink\think-orm\src\facade\Db.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SoftlibSite\vendor\topthink\think-orm\src\facade\Db.php on line 21