Fatal error: Uncaught Error: Interface "Composer\EventDispatcher\EventSubscriberInterface" not found in /Applications/MAMP/htdocs/munagsatcom2/vendor/symfony/thanks/src/Thanks.php:27 Stack trace: #0 {main} thrown in /Applications/MAMP/htdocs/munagsatcom2/vendor/symfony/thanks/src/Thanks.php on line 27