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', '0444bfb5c02ca8dac7ce272cb01090b5', '3.16.51.3', '1713607992', '1713607992', '/index.php/cat/c30_Laender.html/page/2')

[XT SQL Error]