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', '6b9a1aabe5d9a9ffa53b85de446f0042', '3.144.187.103', '1715175174', '1715175174', '/product_info.php/language/de/info/p3190_Azerbaijan-Relief-Map.html')

[XT SQL Error]