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', '8aaa75965631c9d14e8d6728c87beffe', '100.25.40.11', '1710835777', '1710835777', '/product_info.php/info/p4017_Reliefkarten-Poster-Konfigurator.html')

[XT SQL Error]