Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\prdk-wb-be\vendor\league\commonmark\src\Node\RawMarkupContainerInterface.php on line 3

Fatal error: Interface 'League\CommonMark\Node\StringContainerInterface' not found in D:\xampp\htdocs\prdk-wb-be\vendor\league\commonmark\src\Node\RawMarkupContainerInterface.php on line 20