1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', '362dce6bd87b4d294bc0a7a2f5985fa4', '3.236.171.68', '1711712501', '1711712501', '/product_info.php/info/p3321_Haiti-2-Reliefkarte.html')

[XT SQL Error]