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', '6bc8e2c86c2eec002f2341be917560d4', '52.14.126.74', '1713516359', '1713516359', '/product_info.php/language/de/info/p3236_Belgium-Relief-Map.html')

[XT SQL Error]