Argument #1 ($array) must be of type array, null given

Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, null given in /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-includes/class-wp-user-query.php:483 Stack trace: #0 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-includes/class-wp-user-query.php(483): array_filter(NULL) #1 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-includes/class-wp-user-query.php(79): WP_User_Query->prepare_query(Array) #2 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-includes/user.php(776): WP_User_Query->__construct(Array) #3 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-includes/user.php(1669): get_users(Array) #4 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-admin/includes/meta-boxes.php(976): wp_dropdown_users(Array) #5 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-admin/includes/template.php(1456): post_author_meta_box(Object(WP_Post), Array) #6 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-admin/edit-form-advanced.php(723): do_meta_boxes(Object(WP_Screen), ‘normal’, Object(WP_Post)) #7 /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-admin/post.php(206): require(‘/home/customer/…’) #8 {main} thrown in /home/customer/www/bowenrotary.koolkattest.com/public_html/wp-includes/class-wp-user-query.php on line 483

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Please note:

PHP 8.0.30, Theme 2023, all plugins except classic editor are deactivated. This is in the author metabox. There is no error if the classic editor is deactivated and the posts are edited with the block editor.

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