Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Exception\BadRequestException" not found in /home/kedanhe1/public_html/vendor/botble/platform/base/src/Exceptions/DisabledInDemoModeException.php:8 Stack trace: #0 {main} thrown in /home/kedanhe1/public_html/vendor/botble/platform/base/src/Exceptions/DisabledInDemoModeException.php on line 8