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', '43b2193fb4492207f63e7483fa1b6659', '3.144.84.155', '1713609334', '1713609334', '/product_info.php/language/en/info/p3445_Guyana-Reliefkarte.html')

[XT SQL Error]