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', '1231abc265e69303edca97fa83922ff8', '3.143.244.83', '1714006853', '1714006853', '/product_info.php/info/p1844_Mauritius-2-Satellitenbild.html')

[XT SQL Error]