Deprecated: Symfony\Component\DependencyInjection\Exception\ParameterCircularReferenceException::__construct(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/dependency-injection/Exception/ParameterCircularReferenceException.php on line 23

Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Exception\RuntimeException" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/dependency-injection/Exception/ParameterCircularReferenceException.php:19 Stack trace: #0 {main} thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/dependency-injection/Exception/ParameterCircularReferenceException.php on line 19