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', '8688574ca58a7f4ee043b44f65d5ca45', '3.21.97.61', '1713966939', '1713966939', '/product_info.php/language/de/info/p1832_Solomon-Is--17-Satellite-Image.html')

[XT SQL Error]