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', 'f3d4265d35348649bb81a3591769faac', '18.226.251.22', '1714131386', '1714131386', '/index.php/language/en/cat/c34_Kontinente.html')

[XT SQL Error]