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', '4ff9054f57d6bbed3faa65d6059136cf', '3.237.178.126', '1711616754', '1711616754', '/product_info.php/language/de/info/p3574_Bahrein-Reliefkarte.html')

[XT SQL Error]