1366 - Incorrect integer value: '' for column `shop_db3`.`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', '4608355fbea5ba78f3d22ea8f9f5d28b', '3.145.93.210', '1714034311', '1714034311', '/product_info.php?info=p317_Easy-Tunes--C-Instruments---HIGH-.html&XTCsid=ed890d870a93292a1cc254113c4cf12e')

[XT SQL Error]