Hi! Unfortunatelly in my log folder I received 12/every SECONDS this error message and the template writer said earlier that it is Yoast bug:
Duplicate entry ‘(number)’ for key ‘PRIMARY’ INSERT INTO (prefix name)_yoast_indexable_hierarchy
(indexable_id
, ancestor_id
, depth
, blog_id
) VALUES (‘(number)’, ‘0’, ‘0’, ‘1’) require(‘wp-blog-header.php’), require_once(‘wp-includes/template-loader.php’), include(‘/themes/jupiter/single.php’), get_header, locate_template, load_template, require_once(‘/themes/jupiter/header.php’), wp_head, do_action(‘wp_head’), WP_Hook->do_action, WP_Hook->apply_filters, Yoast\WP\SEO\Integrations\Front_End_Integration->call_wpseo_head, do_action(‘wpseo_head’), WP_Hook->do_action, WP_Hook->apply_filters, Yoast\WP\SEO\Integrations\Front_End_Integration->present_head, Yoast\WP\SEO\Memoizers\Meta_Tags_Context_Memoizer->for_current_page, Yoast\WP\SEO\Repositories\Indexable_Repository->for_current_page, Yoast\WP\SEO\Repositories\Indexable_Repository->find_by_id_and_type, Yoast\WP\SEO\Builders\Indexable_Builder->build_for_id_and_type, Yoast\WP\SEO\Builders\Indexable_Builder->save_indexable, do_action(‘wpseo_save_indexable’) etc.