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', 'ce28159e27c2960a0eb5e1162296caec', '18.117.196.184', '1713581078', '1713581078', '/index.php/language/en/cat/c30_Countries.html/page/6')

[XT SQL Error]