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', '2d95db49a3a3840ff7d1eb445b50e426', '216.73.216.53', '1752092854', '1752092854', '/product_info.php/language/de/info/p3981_Europa-Satellitenbild.html')

[XT SQL Error]