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', 'a092bf5ee536e3a771ae40f34667b3f1', '3.90.205.166', '1711647420', '1711647420', '/product_info.php/info/p1547_Mosambik-Satellitenbild.html')

[XT SQL Error]