Implicitly marking parameter $entity as nullable is deprecated, the explicit nullable type must be used instead in include_once()

Problem/Motivation

Deprecated function: auctions_core_active_currency_list(): Implicitly marking parameter $entity as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 153 of /var/www/html/core/lib/Drupal/Core/Extension/Extension.php) #0 /var/www/html/core/includes/bootstrap.inc(166): _drupal_error_handler_real()

Steps to reproduce

Drupal 10.4.2 with PHP 8.4