Fatal error: Uncaught Error: Class "App\Mail\BaseMailable" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\app\Mail\CheckoutLicenseMail.php:15 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\app\Mail\CheckoutLicenseMail.php on line 15