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', '2bda6b3956933a70dff92ce867eef0a0', '18.204.56.185', '1659976778', '1659976778', '/index.php/language/en/cat/c35_Laender.html/page/6')

[XT SQL Error]