Foreach() warning in PHP 8

There’s a warning showing up with PHP8 in the Advanced tab of the admin panel.

Warning	foreach() argument must be of type array|object, null given	1	
    wp-content/plugins/wp-super-cache/wp-cache.php:2050
    wp_cache_edit_rejected_cookies()
    wp-content/plugins/wp-super-cache/wp-cache.php:1199
    wp_cache_manager()
    wp-includes/class-wp-hook.php:303
    do_action('settings_page_wpsupercache')
    wp-admin/admin.php:259