Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in /home/ipsitaltd/public_html/btsh-backend-test/Modules/Inventory/Models/PurchaseInvoice.php:26 Stack trace: #0 {main} thrown in /home/ipsitaltd/public_html/btsh-backend-test/Modules/Inventory/Models/PurchaseInvoice.php on line 26