Fatal error: Uncaught Error: Interface "League\CommonMark\Block\Renderer\BlockRendererInterface" not found in /home/deborapsol/laravel/vendor/league/commonmark/src/Extension/TableOfContents/TableOfContentsPlaceholderRenderer.php:18 Stack trace: #0 {main} thrown in /home/deborapsol/laravel/vendor/league/commonmark/src/Extension/TableOfContents/TableOfContentsPlaceholderRenderer.php on line 18