Fatal error: Uncaught Error: Class "cebe\markdown\Markdown" not found in C:\xampp\htdocs\arthurkotsch.online\vendor\cebe\markdown\GithubMarkdown.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\arthurkotsch.online\vendor\cebe\markdown\GithubMarkdown.php on line 15