Fatal error: Uncaught Error: Class "League\CommonMark\Event\AbstractEvent" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\league\commonmark\src\Event\DocumentRenderedEvent.php:18 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\league\commonmark\src\Event\DocumentRenderedEvent.php on line 18