Fatal error: Uncaught Error: Interface "Nuwave\Lighthouse\Execution\ErrorHandler" not found in /home/tgmart/public_html/api/vendor/nuwave/lighthouse/src/Execution/AuthenticationErrorHandler.php:10 Stack trace: #0 {main} thrown in /home/tgmart/public_html/api/vendor/nuwave/lighthouse/src/Execution/AuthenticationErrorHandler.php on line 10