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