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', '35bb1bfce8023ba03db5f5e4406b95ae', '18.221.112.220', '1714145664', '1714145664', '/product_info.php/info/p2709_Czech-Republic-Relief-Map.html')

[XT SQL Error]