Fatal error: Uncaught Error: Interface "League\CommonMark\Extension\ConfigurableExtensionInterface" not found in /home/simpledorrance/public_html/author-api.simple-dorrance.nstechs.net/author-backend/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalinkExtension.php:25 Stack trace: #0 {main} thrown in /home/simpledorrance/public_html/author-api.simple-dorrance.nstechs.net/author-backend/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalinkExtension.php on line 25