Fatal error: Uncaught Error: Interface 'League\CommonMark\Extension\FrontMatter\FrontMatterParserInterface' not found in /home/erlt6724/public_html/repositories/mika-data/vendor/league/commonmark/src/Extension/FrontMatter/FrontMatterParser.php:21 Stack trace: #0 {main} thrown in /home/erlt6724/public_html/repositories/mika-data/vendor/league/commonmark/src/Extension/FrontMatter/FrontMatterParser.php on line 21