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', '37583f3e5fcc2c97585469b58cb13bc9', '216.73.216.110', '1768440328', '1768440328', '/product_info.php/language/de/info/p435_Satellite-Image-Configurator.html')

[XT SQL Error]