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', '8e50dc57cf69859619bfb92ae2eed525', '3.238.87.31', '1711625170', '1711625170', '/product_info.php/info/p2821_Franzoesisch-Polynesien-Reliefkarte.html')

[XT SQL Error]