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', 'b315d000cd0fb6dbd424cfdccc858d6f', '18.221.129.145', '1713522604', '1713522604', '/product_info.php/language/de/info/p1587_Svalbard-2-Satellite-Image.html')

[XT SQL Error]