Fatal error: Uncaught Error: Class 'League\CommonMark\Block\Element\AbstractBlock' not found in /home/manager/iotia/my-laravel/vendor/league/commonmark/src/Block/Element/ThematicBreak.php:19 Stack trace: #0 {main} thrown in /home/manager/iotia/my-laravel/vendor/league/commonmark/src/Block/Element/ThematicBreak.php on line 19