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', '104d17a0cc9d3b4dd6a8a14fa41c8c63', '3.21.248.119', '1713533984', '1713533984', '/product_info.php/language/de/info/p1732_Fiji-3-Satellitenbild.html')

[XT SQL Error]