1366 - Incorrect integer value: '' for column `magickland`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'ru5eol6ukb5k6rshus61o9php0', '3.149.251.6', '1718730728', '1718730728', '/index.php/cat/admin/images/product_images/templates/xtc5/thumbnail_images/1342_0.jpg')

[XT SQL Error]