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', '698cf3cccf0f83a5379d8bf622e20590', '3.149.251.154', '1713585359', '1713585359', '/product_info.php/info/p4014_Erde-Reliefkarte.html')

[XT SQL Error]