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

Fatal error: Interface 'League\CommonMark\Exception\CommonMarkException' not found in D:\xampp\htdocs\prdk-wb-be\vendor\league\commonmark\src\Exception\IOException.php on line 17