Fatal error: Uncaught Error: Class 'Yoast\WP\SEO\Premium\Database\Migration_Runner_Premium' not found in /homepages/33/d846687267/htdocs/kosa/wp-content/plugins/wordpress-seo/src/loader.php:228
Stack trace:
#0 /homepages/33/d846687267/htdocs/kosa/wp-content/plugins/wordpress-seo/src/loader.php(182): Yoast\WP\SEO\Loader->conditionals_are_met('Yoast\\WP\\SEO\\Pr...')
#1 /homepages/33/d846687267/htdocs/kosa/wp-content/plugins/wordpress-seo/src/loader.php(131): Yoast\WP\SEO\Loader->load_initializers()
#2 /homepages/33/d846687267/htdocs/kosa/wp-content/plugins/wordpress-seo/lib/abstract-main.php(43): Yoast\WP\SEO\Loader->load()
#3 /homepages/33/d846687267/htdocs/kosa/wp-content/plugins/wordpress-seo-premium/src/functions.php(28): Yoast\WP\Lib\Abstract_Main->load()
#4 /homepages/33/d846687267/htdocs/kosa/wp-includes/class-wp-hook.php(307): YoastSEOPremium('')
#5 /homepages/33/d846687267/htdocs/kosa/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
#6 /homepages/33/d846687267/htdocs/kosa/wp-includes/plugin.ph in /homepages/33/d846687267/htdocs/kosa/wp-content/plugins/wordpress-seo/src/loader.php on line 228