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', 'ead4e33146c128c0cc0bc2f534905d77', '3.144.244.44', '1714039015', '1714039015', '/product_info.php/language/de/info/p2838_Dominica-Relief-Map.html')

[XT SQL Error]