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', 'd30f2b21a69ce973db9a56dcf1cc7ab5', '3.91.106.157', '1711714259', '1711714259', '/product_info.php/info/p2712_Bangladesch-Reliefkarte.html')

[XT SQL Error]