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', 'c14f67c114d77ec217246744000ef356', '3.129.249.105', '1714054016', '1714054016', '/index.php/language/de/cat/c30_Laender.html/page/5')

[XT SQL Error]