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', '4f5014a5d16da500d11d5f024fe01158', '3.237.65.102', '1711648659', '1711648659', '/product_info.php/language/de/info/p3994_Asien-Reliefkarte.html')

[XT SQL Error]