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', '8097da81e0eb48414b011e3dd7d2c396', '216.73.216.116', '1752277207', '1752277207', '/index.php/language/de/cat/c33_Satellite-Images-digital.html')

[XT SQL Error]