Fatal error: Uncaught Error: Undefined constant "WEB_SERVER_HOST" in /home/vulpesdelivery/public_html/paystack-php-master/vendor/nategood/httpful/tests/bootstrap-server.php:15 Stack trace: #0 {main} thrown in /home/vulpesdelivery/public_html/paystack-php-master/vendor/nategood/httpful/tests/bootstrap-server.php on line 15