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