Fatal error: Uncaught Error: Interface "League\CommonMark\Extension\ExtensionInterface" not found in /home/oyaagyug/public_html/vendor/league/commonmark/src/Extension/GithubFlavoredMarkdownExtension.php:21
Stack trace:
#0 {main}
thrown in /home/oyaagyug/public_html/vendor/league/commonmark/src/Extension/GithubFlavoredMarkdownExtension.php on line 21