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', '18f8d4b829dd053ee52e00572532d8c6', '3.133.121.160', '1714080582', '1714080582', '/index.php/language/de/cat/c30_Laender.html/page/1')

[XT SQL Error]