1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', '8141aed606ab1dc9e2ed3dd4ee72c215', '34.204.166.236', '1685507049', '1685507049', '/shop_content.php?coID=2')

[XT SQL Error]