Fatal error: Uncaught Error: Interface "League\CommonMark\Normalizer\TextNormalizerInterface" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\league\commonmark\src\Normalizer\SlugNormalizer.php:22 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\league\commonmark\src\Normalizer\SlugNormalizer.php on line 22