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', '5701ce037c9feacbadf90775bcabd88a', '3.235.251.99', '1711674609', '1711674609', '/product_info.php/info/p2690_Syrien-Reliefkarte.html')

[XT SQL Error]