Fatal error: Uncaught Error: Interface "League\CommonMark\Input\MarkdownInputInterface" not found in C:\Xampp\www\0050467\ims-mobile\vendor_\league\commonmark\src\Input\MarkdownInput.php:18 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor_\league\commonmark\src\Input\MarkdownInput.php on line 18