( ! ) Deprecated: Symfony\Component\HttpKernel\Exception\UnsupportedMediaTypeHttpException::__construct(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\techtms\vendor\symfony\http-kernel\Exception\UnsupportedMediaTypeHttpException.php on line 24

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Exception\HttpException" not found in E:\Program_Files\wamp64\www\techtms\vendor\symfony\http-kernel\Exception\UnsupportedMediaTypeHttpException.php on line 17
( ! ) Error: Class "Symfony\Component\HttpKernel\Exception\HttpException" not found in E:\Program_Files\wamp64\www\techtms\vendor\symfony\http-kernel\Exception\UnsupportedMediaTypeHttpException.php on line 17
Call Stack
#	Time	Memory	Function	Location
1	0.0017	367632	{main}( )	...\UnsupportedMediaTypeHttpException.php:0