Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in /home/marstests/tanrail1.marstests.online/app/Domains/Core/Models/Invoice.php:15 Stack trace: #0 {main} thrown in /home/marstests/tanrail1.marstests.online/app/Domains/Core/Models/Invoice.php on line 15