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', '618214cdbf57ef68a5fe9ea042a5dda0', '35.173.215.152', '1711694544', '1711694544', '/product_info.php/language/de/info/p3135_Aethiopien-Reliefkarte.html')

[XT SQL Error]