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', 'd1097ebaf18ffc320b4ad03e55cb74fc', '52.15.63.145', '1714188722', '1714188722', '/product_info.php/language/de/info/p4001_Australien-Reliefkarte.html')

[XT SQL Error]