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', 'fe2682e7d3ba7f5b7bc261364cad07a8', '3.147.73.35', '1713511537', '1713511537', '/product_info.php/language/en/info/p3075_Haiti-2-Reliefkarte.html')

[XT SQL Error]