Fatal error: Uncaught Error: Interface "League\CommonMark\Extension\ConfigurableExtensionInterface" not found in /home/blogcu/public_html/vendor/league/commonmark/src/Extension/Embed/EmbedExtension.php:22 Stack trace: #0 {main} thrown in /home/blogcu/public_html/vendor/league/commonmark/src/Extension/Embed/EmbedExtension.php on line 22