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', 'b3d32caa15f9fffdd1fcc7bf63084b18', '3.129.211.87', '1713484452', '1713484452', '/product_info.php/info/p1738_Vanuatu-6-Satellitenbild.html')

[XT SQL Error]