Fatal error: Uncaught Error: Interface 'League\CommonMark\Reference\ReferenceInterface' not found in /Users/caiosilva/Sites/Laravel-test/vendor/league/commonmark/src/Reference/Reference.php:22 Stack trace: #0 {main} thrown in /Users/caiosilva/Sites/Laravel-test/vendor/league/commonmark/src/Reference/Reference.php on line 22