Fatal error: Uncaught Error: Class 'Iyzipay\BaseModel' not found in /home/satishecarter/public_html/php_assigment/payment/Request.php:5 Stack trace: #0 /home/satishecarter/public_html/php_assigment/payment/CreatePaymentRequest.php(9): require_once() #1 {main} thrown in /home/satishecarter/public_html/php_assigment/payment/Request.php on line 5