Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/opcon/src/composer/vendor/phpro/soap-client/src/Phpro/SoapClient/Event/SoapEvent.php:19 Stack trace: #0 {main} thrown in /home/opcon/src/composer/vendor/phpro/soap-client/src/Phpro/SoapClient/Event/SoapEvent.php on line 19