Fatal error: Uncaught Error: Interface 'League\CommonMark\Exception\CommonMarkException' not found in /var/www/html/test-project/my-app/vendor/league/commonmark/src/Exception/UnexpectedEncodingException.php:16 Stack trace: #0 {main} thrown in /var/www/html/test-project/my-app/vendor/league/commonmark/src/Exception/UnexpectedEncodingException.php on line 16