Fatal error: Uncaught Error: Class "Whoops\Handler\Handler" not found in /var/www/dev3/data/www/dev3.crosshub.ru/proforientation/vendor/filp/whoops/src/Whoops/Handler/CallbackHandler.php:16 Stack trace: #0 {main} thrown in /var/www/dev3/data/www/dev3.crosshub.ru/proforientation/vendor/filp/whoops/src/Whoops/Handler/CallbackHandler.php on line 16