In regards to the meta box, it does not appear at all, and if you’d like to search for Siblings, there’s no match.
I copy-paste the Error log, so here is the excerpt part of the automated email.
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When seeking help with this issue, you may be asked for some of the following information:
WordPress version 5.4.2
Current theme: GeneratePress (version 2.4.2)
Current plugin: Yoast SEO Premium (version 14.5)
PHP version 7.4.6
Error Details
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An error of type E_ERROR was caused in line 155 of the file /www/v9abor_162/public/wp-content/plugins/wordpress-seo-premium/src/routes/indexable-indexation-route.php. Error message: Uncaught TypeError: Argument 5 passed to Yoast\WP\SEO\Routes\Indexable_Indexation_Route::__construct() must be an instance of Yoast\WP\SEO\Helpers\Options_Helper, instance of Yoast\WP\SEO\Actions\Indexation\Indexable_Complete_Indexation_Action given, called in /www/v9abor_162/public/wp-content/plugins/wordpress-seo-premium/src/generated/container.php on line 2186 and defined in /www/v9abor_162/public/wp-content/plugins/wordpress-seo-premium/src/routes/indexable-indexation-route.php:155
Stack trace:
#0 /www/v9abor_162/public/wp-content/plugins/wordpress-seo-premium/src/generated/container.php(2186): Yoast\WP\SEO\Routes\Indexable_Indexation_Route->__construct(Object(Yoast\WP\SEO\Actions\Indexation\Indexable_Post_Indexation_Action), Object(Yoast\WP\SEO\Actions\Indexation\Indexable_Term_Indexation_Action), Object(Yoast\WP\SEO\Actions\Indexation\Indexable_Post_Type_Archive_Indexation_Action), Object(Yoast\WP\SEO\Actions\Indexation\Indexable_General_Indexation_Action), Object(Yoast\WP\SEO\Actions\Indexation\Indexab
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