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', '76bbe534ce83ab4d9319b57b3da7acdb', '3.14.15.94', '1714124640', '1714124640', '/product_info.php/info/p2885_Mosambik-Reliefkarte.html')

[XT SQL Error]