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', '42238efadc3af9661e1470d6148b84be', '44.210.240.31', '1711711848', '1711711848', '/product_info.php/info/p1844_Mauritius-2-Satellite-Image.html')

[XT SQL Error]