Fatal error: Uncaught Error: Class "League\CommonMark\Block\Element\AbstractStringContainerBlock" not found in /home/deborapsol/laravel/vendor/league/commonmark/src/Block/Element/Paragraph.php:20 Stack trace: #0 {main} thrown in /home/deborapsol/laravel/vendor/league/commonmark/src/Block/Element/Paragraph.php on line 20