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', 'e5703e2c82adc71f2eb7d9e2b417af4c', '35.171.22.220', '1711645158', '1711645158', '/product_info.php/info/p2787_Brunei-Reliefkarte.html')

[XT SQL Error]