Deprecation notices after upgrading my WordPress site to PHP 8.4

[CodeShakingSheep]

Deprecated: InvoiceNinja\WordPress\SettingsApi::withSubpage():
Implicitly marking parameter $title as nullable is deprecated, the explicit nullable type must be used instead
in /var/www/wordpress__4/wp-content/plugins/invoiceninja/InvoiceNinja/WordPress/SettingsApi.php on line 83

[hillelcoren]

Thanks for reporting this!