Fatal error: Uncaught Error: Class 'SureCart\Models\Model' not found in /home/ignas/public_html/ignas/wp-content/plugins/surecart/app/src/Models/Checkout.php:19 Stack trace: #0 {main} thrown in /home/ignas/public_html/ignas/wp-content/plugins/surecart/app/src/Models/Checkout.php on line 19