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', '371ec6747bee2514baffc9b9f588993a', '52.14.33.175', '1715203474', '1715203474', '/product_info.php/info/p1728_Martinique-Satellitenbild.html')

[XT SQL Error]