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', '153c91ee172c3b2ee9c13e715b016043', '35.171.159.141', '1711673975', '1711673975', '/product_info.php/info/p1728_Martinique-Satellite-Image.html')

[XT SQL Error]