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', 'ed2cee655a2c68d131b2b652b4cdc555', '35.175.172.94', '1711655968', '1711655968', '/product_info.php/info/p3269_Aequatorial-Guinea-Reliefkarte.html')

[XT SQL Error]