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', '73245dfd841b5bb5ebc61ef80a16cfc7', '3.139.238.76', '1713526170', '1713526170', '/index.php/language/en/cat/c42_Vektorkarten.html')

[XT SQL Error]