1366 - Incorrect integer value: '' for column `jugglux_jstore`.`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', 'a1i6gamquctlahkpbg2d2cgm45', '34.204.187.106', '1594499388', '1594499388', '/shop_content.php/coID/22/product/Customer-Reviews')

[XT SQL Error]