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', 'ff6d3e2399ed46ca408214e715d40f51', '3.138.124.40', '1714114799', '1714114799', '/product_info.php/language/en/info/p10_3D-Print.html')

[XT SQL Error]