Fatal error: Uncaught Error: Interface 'Iyzipay\JsonConvertible' not found in /home/cuneytsener53/eticaret5.snrsoft.com.tr/iyzipay-php-master/src/Iyzipay/BaseModel.php:5 Stack trace: #0 {main} thrown in /home/cuneytsener53/eticaret5.snrsoft.com.tr/iyzipay-php-master/src/Iyzipay/BaseModel.php on line 5