Warning: include(): Failed opening '/home/kassanel/public_html/wp-content/plugins/wordpress-seo/vendor/composer/../../inc/sitemaps/class-post-type-sitemap-provider.php' for inclusion (include_path='.:/opt/alt/php74/usr/share/pear') in /home/kassanel/public_html/wp-content/plugins/flexible-checkout-fields/vendor/composer/ClassLoader.php on line 578

Fatal error: Uncaught Error: Class 'WPSEO_Post_Type_Sitemap_Provider' not found in /home/kassanel/public_html/wp-content/plugins/wordpress-seo/inc/sitemaps/class-sitemaps.php:122 Stack trace: #0 /home/kassanel/public_html/wp-includes/class-wp-hook.php(341): WPSEO_Sitemaps->init_sitemaps_providers('') #1 /home/kassanel/public_html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #2 /home/kassanel/public_html/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #3 /home/kassanel/public_html/wp-settings.php(749): do_action('after_setup_the...') #4 /home/kassanel/public_html/wp-config.php(101): require_once('/home/kassanel/...') #5 /home/kassanel/public_html/wp-load.php(50): require_once('/home/kassanel/...') #6 /home/kassanel/public_html/wp-blog-header.php(13): require_once('/home/kassanel/...') #7 /home/kassanel/public_html/index.php(17): require('/home/kassanel/...') #8 {main} thrown in /home/kassanel/public_html/wp-content/plugins/wordpress-seo/inc/sitemaps/class-sitemaps.php on line 122
internal_server_error 500