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', 'fdc793f644acd2a59ba33e962c210140', '3.135.219.166', '1714166079', '1714166079', '/product_info.php/language/de/info/p2753_Neukaledonien-Reliefkarte.html')

[XT SQL Error]