Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/systemdecorcom/public_html/sg/util/nfephp/vendor/guzzlehttp/guzzle/tests/Guzzle/Tests/Mock/MockObserver.php:8 Stack trace: #0 {main} thrown in /home/systemdecorcom/public_html/sg/util/nfephp/vendor/guzzlehttp/guzzle/tests/Guzzle/Tests/Mock/MockObserver.php on line 8