Fatal error: Uncaught Error: Class "Modules\Core\Helpers\ApiResponse" not found in /home/ipsitaltd/public_html/btsh-backend/Modules/Billing/Http/Controllers/BillingLookupController.php:11 Stack trace: #0 {main} thrown in /home/ipsitaltd/public_html/btsh-backend/Modules/Billing/Http/Controllers/BillingLookupController.php on line 11