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', '6b6d433ede15e9feb7700f5f2e5bf7d8', '3.145.151.141', '1714153765', '1714153765', '/index.php/language/de/cat/c37_Welt.html')

[XT SQL Error]