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', 'b6db0741d4289aff5800527281c85b29', '13.58.39.23', '1713870297', '1713870297', '/product_info.php/language/en/info/p4008_Suedamerika-Reliefkarte.html')

[XT SQL Error]