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', '069495eca54c04600e8920ef6a4c9a13', '3.145.186.6', '1714020134', '1714020134', '/product_info.php/info/p3301_Ist-Faeroeer--Reliefkarte.html')

[XT SQL Error]