Fatal error: Uncaught Error: Class "WPSEO_Post_Type" not found in /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option-titles.php:311
Stack trace:
#0 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option.php(447): WPSEO_Option_Titles->enrich_defaults()
#1 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option.php(765): WPSEO_Option->get_defaults()
#2 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option.php(485): WPSEO_Option->array_filter_merge(Array)
#3 /htdocs/wp-includes/class-wp-hook.php(312): WPSEO_Option->get_option(Array)
#4 /htdocs/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array)
#5 /htdocs/wp-includes/option.php(253): apply_filters('option_wpseo_ti...', Array, 'wpseo_titles')
#6 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-options.php(254): get_option('wpseo_titles')
#7 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-options.php(231): WPSEO_Options::get_option('wpseo_titles')
#8 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-options.php(214): WPSEO_Options::get_options(Array)
#9 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-options.php(295): WPSEO_Options::get_all()
#10 /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-options.php(275): WPSEO_Options::prime_cache()
#11 /htdocs/wp-content/plugins/wordpress-seo/src/helpers/options-helper.php(25): WPSEO_Options::get('disable-attachm...', NULL)
#12 /htdocs/wp-content/plugins/wordpress-seo/src/conditionals/attachment-redirections-enabled-conditional.php(34): Yoast\WP\SEO\Helpers\Options_Helper->get('disable-attachm...')
#13 /htdocs/wp-content/plugins/wordpress-seo/src/loader.php(270): Yoast\WP\SEO\Conditionals\Attachment_Redirections_Enabled_Conditional->is_met()
#14 /htdocs/wp-content/plugins/wordpress-seo/src/loader.php(208): Yoast\WP\SEO\Loader->conditionals_are_met('Yoast\\WP\\SEO\\In...')
#15 /htdocs/wp-includes/class-wp-hook.php(310): Yoast\WP\SEO\Loader->load_integrations('')
#16 /htdocs/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
#17 /htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#18 /htdocs/wp-settings.php(632): do_action('init')
#19 /htdocs/wp-config.php(96): require_once('/htdocs/wp-sett...')
#20 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#21 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#22 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#23 {main}
thrown in /htdocs/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option-titles.php on line 311