Fatal error: Uncaught Error: Class "Whoops\Handler\Handler" not found in /home/karendei/public_html/test.karenderia.ir/vendor/filp/whoops/src/Whoops/Handler/CallbackHandler.php:16 Stack trace: #0 {main} thrown in /home/karendei/public_html/test.karenderia.ir/vendor/filp/whoops/src/Whoops/Handler/CallbackHandler.php on line 16