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', 'b7358b61eaf99b77a46d75bd91aa8318', '3.236.112.70', '1721653531', '1721653531', '/product_info.php/info/p10_3D-Druck.html')

[XT SQL Error]