Fatal error: Uncaught Error: Interface "League\CommonMark\Normalizer\TextNormalizerInterface" not found in D:\Apache24\www\pda\vendor\league\commonmark\src\Normalizer\SlugNormalizer.php:19 Stack trace: #0 {main} thrown in D:\Apache24\www\pda\vendor\league\commonmark\src\Normalizer\SlugNormalizer.php on line 19