Fatal error: Uncaught Error: Interface 'Psr\EventDispatcher\StoppableEventInterface' not found in /Users/caiosilva/Sites/Laravel-test/vendor/league/commonmark/src/Event/AbstractEvent.php:30 Stack trace: #0 {main} thrown in /Users/caiosilva/Sites/Laravel-test/vendor/league/commonmark/src/Event/AbstractEvent.php on line 30