Fatal error: Uncaught Error: Class "JsonMapper" not found in /home/karendei/public_html/test.karenderia.ir/vendor/apimatic/jsonmapper/example/run.php:8 Stack trace: #0 {main} thrown in /home/karendei/public_html/test.karenderia.ir/vendor/apimatic/jsonmapper/example/run.php on line 8