Fatal error: Uncaught Error: Class 'nystudio107\seomatic\base\FrontendTemplate' not found in /home/luxurytr/public_html/lt8/vendor/nystudio107/craft-seomatic/src/models/SitemapIndexTemplate.php:33 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/nystudio107/craft-seomatic/src/models/SitemapIndexTemplate.php on line 33