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', 'f2f5cfa88de6090780f0aeb2448e4a5e', '35.175.212.5', '1711671157', '1711671157', '/product_info.php/language/de/info/p1620_Georgia-Satellitenbild.html')

[XT SQL Error]