Fatal error: Uncaught Error: Class "League\CommonMark\Inline\Element\AbstractInline" not found in D:\Apache24\www\pda\vendor\league\commonmark\src\Extension\Footnote\Node\FootnoteBackref.php:23 Stack trace: #0 {main} thrown in D:\Apache24\www\pda\vendor\league\commonmark\src\Extension\Footnote\Node\FootnoteBackref.php on line 23