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', 'e32e3104e1b83ed49d03ac219fecbe39', '54.160.244.62', '1710845019', '1710845019', '/shop_content.php/coID/25/content/Rueckgaberecht')

[XT SQL Error]