Fatal error: Uncaught Error: Interface 'League\CommonMark\Parser\MarkdownParserStateInterface' not found in /var/www/html/test-project/my-app/vendor/league/commonmark/src/Parser/MarkdownParserState.php:22 Stack trace: #0 {main} thrown in /var/www/html/test-project/my-app/vendor/league/commonmark/src/Parser/MarkdownParserState.php on line 22